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</nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Appearance"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Appearance</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">hide</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Temporary military facility</div> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">Not to be confused with <a href="/wiki/Base_of_fire" title="Base of fire">base of fire</a>.</div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">"fire base" redirects here. For other uses, see <a href="/wiki/Firebase_(disambiguation)" class="mw-disambig" title="Firebase (disambiguation)">Firebase (disambiguation)</a>.</div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Fire_Support_Base_Crook_1969-06.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Fire_Support_Base_Crook_1969-06.jpg/290px-Fire_Support_Base_Crook_1969-06.jpg" decoding="async" width="290" height="247" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Fire_Support_Base_Crook_1969-06.jpg/435px-Fire_Support_Base_Crook_1969-06.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/70/Fire_Support_Base_Crook_1969-06.jpg/580px-Fire_Support_Base_Crook_1969-06.jpg 2x" data-file-width="1311" data-file-height="1117" /></a><figcaption>Fire support base Crook, Vietnam, 1969</figcaption></figure> <p>A <b>fire support base</b> (<b>FSB</b>, <b>firebase</b> or <b>FB</b>) is a temporary <a href="/wiki/Military" title="Military">military</a> <a href="/wiki/Military_base" title="Military base">facility</a> used to provide <a href="/wiki/Fire_support" title="Fire support">fire support</a> (often in the form of <a href="/wiki/Artillery" title="Artillery">artillery</a>) to <a href="/wiki/Infantry" title="Infantry">infantry</a> operating in areas beyond the normal range of fire support from their own base camps. FSBs follow a number of plans, their shape and construction varying based on the terrain they occupy and the projected <a href="/wiki/Garrison" title="Garrison">garrison</a>. </p><p>Widely used during the <a href="/wiki/Vietnam_War" title="Vietnam War">Vietnam War</a>, the concept continues to be used in <a href="/wiki/Military_operation" title="Military operation">military operations</a>. Under the original concept of the artillery fire support base, a 6-gun battery was set up, with one <a href="/wiki/Howitzer" title="Howitzer">howitzer</a> in the center to fire illumination rounds during night attacks and serve as the base's main registration gun. The other five howitzers were arranged around it in a "star" pattern.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> Smaller FSBs tended to vary greatly from this layout, with two to four howitzers of various calibers (usually <a href="/wiki/105_mm_calibre" title="105 mm calibre">105 mm</a> and <a href="/wiki/155_mm_caliber" title="155 mm caliber">155 mm</a> at battalion level) located in dispersed and fortified firing positions.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> These smaller bases arranged their guns in square or triangle patterns when possible.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p> <figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Fire_Support_Base_Danger_March_1969.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b0/Fire_Support_Base_Danger_March_1969.jpg/300px-Fire_Support_Base_Danger_March_1969.jpg" decoding="async" width="300" height="181" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b0/Fire_Support_Base_Danger_March_1969.jpg/450px-Fire_Support_Base_Danger_March_1969.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b0/Fire_Support_Base_Danger_March_1969.jpg/600px-Fire_Support_Base_Danger_March_1969.jpg 2x" data-file-width="850" data-file-height="514" /></a><figcaption>Fire Support Base Danger, headquarters of 4/39th Infantry of the <a href="/wiki/9th_Infantry_Division_(United_States)#Vietnam_War" title="9th Infantry Division (United States)">9th U.S. Infantry Division</a>, Dinh Tuong Province, Vietnam, 1969.</figcaption></figure> <figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Fire_Support_Base_23rd_Artillery_Group_VietNam_1971.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/80/Fire_Support_Base_23rd_Artillery_Group_VietNam_1971.jpg/300px-Fire_Support_Base_23rd_Artillery_Group_VietNam_1971.jpg" decoding="async" width="300" height="204" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/80/Fire_Support_Base_23rd_Artillery_Group_VietNam_1971.jpg/450px-Fire_Support_Base_23rd_Artillery_Group_VietNam_1971.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/80/Fire_Support_Base_23rd_Artillery_Group_VietNam_1971.jpg/600px-Fire_Support_Base_23rd_Artillery_Group_VietNam_1971.jpg 2x" data-file-width="1381" data-file-height="938" /></a><figcaption>FSB, 23rd Artillery Group, <a href="/wiki/Vietnam" title="Vietnam">Vietnam</a>, 1971</figcaption></figure> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Vietnam_War">Vietnam War</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Fire_support_base&action=edit&section=1" title="Edit section: Vietnam War"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">For a list of firebases of that war, see <a href="/wiki/Firebase_(U.S.-Vietnam_War)" title="Firebase (U.S.-Vietnam War)">Firebase (U.S.-Vietnam War)</a>.</div> <p>One of the first fire support bases constructed by U.S. troops was built in October 1965. Designated Bill, it was built by the First Cavalry Division in Pleiku Province soon after the division arrived in South Vietnam.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> Based on the original concept developed by that division, firebases would move about every two days, minimizing the amount of security and semi-permanent construction they would need. Over time this changed, and firebases evolved into small forts with all the defensive measures those required.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </p><p>Many fire support bases evolved into more permanent bases. Their main components varied by size: a typical FSB usually had a battery of six 105 millimeter or 155 mm <a href="/wiki/Howitzers" class="mw-redirect" title="Howitzers">howitzers</a>, a <a href="/wiki/Platoon" title="Platoon">platoon</a> of <a href="/wiki/Combat_engineer" title="Combat engineer">engineers</a> permanently on station for construction and maintenance projects, at least two landing pads for helicopters (a smaller VIP pad and at least one resupply pad), a <a href="/wiki/Tactical_Operations_Center" class="mw-redirect" title="Tactical Operations Center">Tactical Operations Center</a> (TOC), an <a href="/wiki/Aid_station" title="Aid station">aid station</a> staffed with <a href="/wiki/Combat_medic" title="Combat medic">medics</a>, a communications <a href="/wiki/Bunker" title="Bunker">bunker</a>, and a <a href="/wiki/Company_(military_unit)" title="Company (military unit)">company</a> of <a href="/wiki/Infantry" title="Infantry">infantry</a> serving as the defense garrison. Large FSBs might also have 2 artillery batteries, and an infantry <a href="/wiki/Battalion" title="Battalion">battalion</a>.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> </p><p><a href="/wiki/Firebase_Bastogne" title="Firebase Bastogne">Firebase Bastogne</a> was a United States firebase constructed in Vietnam in 1968 by the <a href="/wiki/101st_Airborne_Division" title="101st Airborne Division">101st Airborne Division</a>. <a href="/wiki/Battle_of_FSB_Mary_Ann" title="Battle of FSB Mary Ann">Firebase Mary Ann</a>, constructed by elements of the <a href="/wiki/23rd_Infantry_Division_(United_States)" class="mw-redirect" title="23rd Infantry Division (United States)">23rd Infantry Division "Americal"</a>, was more typical of smaller fire support bases. </p> <div class="mw-heading mw-heading2"><h2 id="Use_in_Afghanistan">Use in Afghanistan</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Fire_support_base&action=edit&section=2" title="Edit section: Use in Afghanistan"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">For a list of firebases of that war, see <a href="/wiki/Firebase_(U.S.-Afghanistan_War)" title="Firebase (U.S.-Afghanistan War)">Firebase (U.S.-Afghanistan War)</a>.</div> <p>Firebases had been set up in <a href="/wiki/Afghanistan" title="Afghanistan">Afghanistan</a> since the <a href="/wiki/War_in_Afghanistan_(2001%E2%80%932021)" title="War in Afghanistan (2001–2021)">action by U.S.-led Coalition forces</a> began in 2001. These bases provided fire support to Coalition forces in the search for <a href="/wiki/Taliban" title="Taliban">Taliban</a> fighters along the <a href="/wiki/Pakistan" title="Pakistan">Pakistan</a> border.<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </p> <ul><li><a href="/wiki/Kunar_Province" title="Kunar Province">Kunar Province</a> <ul><li><a href="/wiki/Firebase_Phoenix" title="Firebase Phoenix">Firebase Phoenix</a></li></ul></li> <li><a href="/wiki/Helmand_Province" title="Helmand Province">Helmand Province</a> <ul><li><a href="/wiki/Firebase_Fiddler%27s_Green" title="Firebase Fiddler's Green">Firebase Fiddler's Green</a></li></ul></li> <li><a href="/wiki/Nangarhar_Province" title="Nangarhar Province">Nangarhar Province</a> <ul><li>A former firebase - Forward Operating Base Torkham</li></ul></li> <li><a href="/w/index.php?title=Firebase_Thomas&action=edit&redlink=1" class="new" title="Firebase Thomas (page does not exist)">Firebase Thomas</a><sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup></li> <li><a href="/wiki/Firebase_Tinsley" title="Firebase Tinsley">Firebase Tinsley</a> near Char Chiehna. Formerly FOB Cobra.</li></ul> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Fire_support_base&action=edit&section=3" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Forward_operating_base" title="Forward operating base">Forward operating base</a></li> <li><a href="/wiki/Hedgehog_defense" class="mw-redirect" title="Hedgehog defense">Hedgehog defense</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Fire_support_base&action=edit&section=4" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Citations">Citations</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Fire_support_base&action=edit&section=5" title="Edit section: Citations"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text">Coleman, pp. 113-114.</span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text">Nolan, p. 136-137. Nolan describes FSB Mary Ann's layout.</span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text">Ott, p. 59.</span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text">Stanton, Shelby. <i>Anatomy of a Division</i>. 1987. p. 218.</span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text">Coleman, p. 113.</span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.history.army.mil/html/books/090/90-12/index.html">"Field Artillery 1954-1973 Chapter 3: In Order to Win"</a>. History.army.mil<span class="reference-accessdate">. Retrieved <span class="nowrap">2012-08-06</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Field+Artillery+1954-1973+Chapter+3%3A+In+Order+to+Win&rft.pub=History.army.mil&rft_id=http%3A%2F%2Fwww.history.army.mil%2Fhtml%2Fbooks%2F090%2F90-12%2Findex.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AFire+support+base" class="Z3988"></span></span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-7">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.globalsecurity.org/military/world/afghanistan/asadabad.htm">Asadabad</a>. GlobalSecurity.org. Retrieved on: November 11, 2007</span> </li> <li id="cite_note-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-8">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="https://www.npr.org/templates/story/story.php?storyId=105204217">Special Forces Travel A Difficult Road In Afghanistan</a>, NPR, June 10, 2009</span> </li> <li id="cite_note-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-9">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="https://www.facebook.com/media/set/?set=a.162818757129729.39337.109620502449555&type=3">Firebase Thomas Mud Run | Facebook</a></span> </li> </ol></div></div> <div class="mw-heading mw-heading3"><h3 id="Bibliography">Bibliography</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Fire_support_base&action=edit&section=6" title="Edit section: Bibliography"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFColeman1988" class="citation book cs1">Coleman, J.D. (1988). <i>Pleiku: The Dawn of Helicopter Warfare in Vietnam</i>. New York: St Martin's Press.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Pleiku%3A+The+Dawn+of+Helicopter+Warfare+in+Vietnam&rft.place=New+York&rft.pub=St+Martin%27s+Press&rft.date=1988&rft.aulast=Coleman&rft.aufirst=J.D.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AFire+support+base" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFNolan1995" class="citation book cs1">Nolan, Keith William (1995). <i>Sappers in the Wire: The life and death of Firebase Mary Ann</i>. Texas A&M University Press. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-89096-657-5" title="Special:BookSources/0-89096-657-5"><bdi>0-89096-657-5</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Sappers+in+the+Wire%3A+The+life+and+death+of+Firebase+Mary+Ann&rft.pub=Texas+A%26M+University+Press&rft.date=1995&rft.isbn=0-89096-657-5&rft.aulast=Nolan&rft.aufirst=Keith+William&rfr_id=info%3Asid%2Fen.wikipedia.org%3AFire+support+base" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFOtt1975" class="citation book cs1">Ott, Maj. Gen. David Ewing (1975). <a rel="nofollow" class="external text" href="http://www.history.army.mil/html/books/090/90-12/index.html"><i>Field Artillery, 1954-1973 (Vietnam Studies)</i></a>. Washington D.C.: Department of the Army.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Field+Artillery%2C+1954-1973+%28Vietnam+Studies%29&rft.place=Washington+D.C.&rft.pub=Department+of+the+Army&rft.date=1975&rft.aulast=Ott&rft.aufirst=Maj.+Gen.+David+Ewing&rft_id=http%3A%2F%2Fwww.history.army.mil%2Fhtml%2Fbooks%2F090%2F90-12%2Findex.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AFire+support+base" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFStanton1987" class="citation book cs1">Stanton, Shelby L. (1987). <span class="id-lock-registration" title="Free registration required"><a rel="nofollow" class="external text" href="https://archive.org/details/anatomyofdivisio00stan"><i>Anatomy of a Division: 1st Cav in Vietnam</i></a></span>. Novato, CA: Presidio.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Anatomy+of+a+Division%3A+1st+Cav+in+Vietnam&rft.place=Novato%2C+CA&rft.pub=Presidio&rft.date=1987&rft.aulast=Stanton&rft.aufirst=Shelby+L.&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fanatomyofdivisio00stan&rfr_id=info%3Asid%2Fen.wikipedia.org%3AFire+support+base" class="Z3988"></span></li></ul> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Fire_support_base&action=edit&section=7" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1235681985">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid #aaa;font-size:88%;line-height:1.25em;background-color:var(--background-color-interactive-subtle,#f8f9fa);display:flow-root}.mw-parser-output .side-box-abovebelow,.mw-parser-output .side-box-text{padding:0.25em 0.9em}.mw-parser-output .side-box-image{padding:2px 0 2px 0.9em;text-align:center}.mw-parser-output .side-box-imageright{padding:2px 0.9em 2px 0;text-align:center}@media(min-width:500px){.mw-parser-output .side-box-flex{display:flex;align-items:center}.mw-parser-output .side-box-text{flex:1;min-width:0}}@media(min-width:720px){.mw-parser-output .side-box{width:238px}.mw-parser-output .side-box-right{clear:right;float:right;margin-left:1em}.mw-parser-output .side-box-left{margin-right:1em}}</style><style data-mw-deduplicate="TemplateStyles:r1237033735">@media print{body.ns-0 .mw-parser-output .sistersitebox{display:none!important}}@media screen{html.skin-theme-clientpref-night .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}</style><div class="side-box side-box-right plainlinks sistersitebox"><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style> <div class="side-box-flex"> <div class="side-box-image"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/40px-Wiktionary-logo-en-v2.svg.png" decoding="async" width="40" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/60px-Wiktionary-logo-en-v2.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/80px-Wiktionary-logo-en-v2.svg.png 2x" data-file-width="512" data-file-height="512" /></span></span></div> <div class="side-box-text plainlist">Look up <i><b><a href="https://en.wiktionary.org/wiki/firebase" class="extiw" title="wiktionary:firebase">firebase</a></b></i> in Wiktionary, the free dictionary.</div></div> </div> <ul><li><a rel="nofollow" class="external text" href="http://www.bravecannons.org/the_gun/gunpit.html">The Gunpit - Basic Layout</a></li> <li><a rel="nofollow" class="external text" href="http://www.landscaper.net/firebase.htm">The 2001 version of Vietnam LZs, FBs, FSBs and Camps</a></li> <li><a rel="nofollow" class="external text" href="https://archive.org/details/CMHPub90-12"><i>Vietnam Studies: Field Artillery 1954–1973</i></a>—Chapter 3 deals with the FSB concept from the field artillery viewpoint</li></ul> <div class="navbox-styles"><style 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.mw-parser-output .navbar li a abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Fortifications" title="Template:Fortifications"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Fortifications" title="Template talk:Fortifications"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Fortifications" title="Special:EditPage/Template:Fortifications"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Fortifications" style="font-size:114%;margin:0 4em"><a href="/wiki/Fortification" title="Fortification">Fortifications</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">Ancient</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Abatis" title="Abatis">Abatis</a></li> <li><a href="/wiki/Acropolis" title="Acropolis">Acropolis</a></li> <li><span title="Latin-language text"><i lang="la"><a href="/wiki/Agger_(ancient_Rome)" title="Agger (ancient Rome)">Agger</a></i></span></li> <li><span title="Scots-language text"><i lang="sco"><a href="/wiki/Broch" title="Broch">Broch</a></i></span></li> <li><span title="Latin-language text"><i lang="la"><a href="/wiki/Burgus" title="Burgus">Burgus</a></i></span></li> <li><span title="Latin-language text"><i lang="la"><a href="/wiki/Castellum" title="Castellum">Castellum</a></i></span></li> <li><span title="Latin-language text"><i lang="la"><a href="/wiki/Castra" title="Castra">Castra</a></i></span></li> <li><span title="Spanish-language text"><i lang="es"><a href="/wiki/Castro_culture" title="Castro culture">Castros</a></i></span></li> <li><span title="Spanish-language text"><i lang="es"><a href="/wiki/Chinese_city_wall" title="Chinese city wall">Chengqiang</a></i></span></li> <li><a href="/wiki/Circular_rampart" title="Circular rampart">Circular rampart</a></li> <li><a href="/wiki/City_gate" title="City gate">City gate</a></li> <li><a href="/wiki/Crannog" title="Crannog">Crannog</a></li> <li><a href="/wiki/Ditch_(fortification)" title="Ditch (fortification)">Ditch</a></li> <li><a href="/wiki/Defensive_wall" title="Defensive wall">Defensive wall</a></li> <li><a href="/wiki/Dun_(fortification)" title="Dun (fortification)">Dun</a></li> <li><a href="/wiki/Faussebraye" title="Faussebraye">Faussebraye</a></li> <li><a href="/wiki/Gatehouse" title="Gatehouse">Gatehouse</a></li> <li><a href="/wiki/Gord_(archaeology)" title="Gord (archaeology)">Gord</a></li> <li><a href="/wiki/Hillfort" title="Hillfort">Hillfort</a></li> <li><a href="/wiki/Landwehr_(border)" title="Landwehr (border)">Landwehr</a></li> <li><span title="Latin-language text"><i lang="la"><a href="/wiki/Limes_(Roman_Empire)" title="Limes (Roman Empire)">Limes</a></i></span></li> <li><a href="/wiki/Nuraghe" title="Nuraghe">Nuraghe</a></li> <li><span title="Latin-language text"><i lang="la"><a href="/wiki/Oppidum" title="Oppidum">Oppidum</a></i></span></li> <li><a href="/wiki/Palisade" title="Palisade">Palisade</a></li> <li><a href="/wiki/Pincer_gate" title="Pincer gate">Pincer gate</a></li> <li><a href="/wiki/Promontory_fort" title="Promontory fort">Promontory fort</a></li> <li><a href="/wiki/Rampart_(fortification)" title="Rampart (fortification)">Rampart</a></li> <li><a href="/wiki/Ringfort" title="Ringfort">Ringfort</a> (Rath)</li> <li><a href="/wiki/Refuge_castle" title="Refuge castle">Refuge castle</a></li> <li><span title="German-language text"><i lang="de"><a href="/wiki/Schwedenschanze" title="Schwedenschanze">Schwedenschanze</a></i></span></li> <li><a href="/wiki/Stockade" title="Stockade">Stockade</a></li> <li><span title="Latin-language text"><i lang="la"><a href="/wiki/Sudis_(stake)" title="Sudis (stake)">Sudis</a></i></span></li> <li><span title="French-language text"><i lang="fr"><a href="/wiki/Trou_de_loup" title="Trou de loup">Trou de loup</a></i></span></li> <li><span title="Latin-language text"><i lang="la"><a href="/wiki/Vallum" title="Vallum">Vallum</a></i></span></li> <li><a href="/wiki/Wagon_fort" title="Wagon fort">Wagon fort</a> (<span title="Afrikaans-language text"><i lang="af">Laager</i></span>)</li> <li><a href="/wiki/Vitrified_fort" title="Vitrified fort">Vitrified fort</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Medieval_fortification" title="Medieval fortification">Post-classical</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Advanced_work" title="Advanced work">Advanced work</a></li> <li><a href="/wiki/Albarrana_tower" title="Albarrana tower">Albarrana tower</a></li> <li><a href="/wiki/Alcazaba" class="mw-redirect" title="Alcazaba">Alcazaba</a></li> <li><span title="Spanish-language text"><i lang="es"><a href="/wiki/Alc%C3%A1zar" title="Alcázar">Alcázar</a></i></span></li> <li><a href="/wiki/Amba_(landform)" title="Amba (landform)">Amba</a></li> <li><a href="/wiki/Arrowslit" title="Arrowslit">Arrowslit</a></li> <li><a href="/wiki/Barbican" title="Barbican">Barbican</a></li> <li><a href="/wiki/Bartizan" title="Bartizan">Bartizan</a></li> <li><a href="/wiki/Bastion" title="Bastion">Bastion</a></li> <li><a href="/wiki/Battery_tower" title="Battery tower">Battery tower</a></li> <li><a href="/wiki/Battlement" title="Battlement">Battlement</a></li> <li><a href="/wiki/Bawn" title="Bawn">Bawn</a></li> <li><a href="/wiki/Bent_entrance" title="Bent entrance">Bent entrance</a></li> <li><span title="German-language text"><i lang="de"><a href="/wiki/Bergfried" title="Bergfried">Bergfried</a></i></span></li> <li><span title="German-language text"><i lang="de"><a href="/wiki/Berm" title="Berm">Berm</a></i></span></li> <li><a href="/wiki/Boom_(navigational_barrier)" title="Boom (navigational barrier)">Boom</a></li> <li><span title="French-language text"><i lang="fr"><a href="/wiki/Bret%C3%A8che" title="Bretèche">Bretèche</a></i></span></li> <li><a href="/wiki/Bridge_castle" title="Bridge castle">Bridge castle</a></li> <li><a href="/wiki/Bridge_tower" title="Bridge tower">Bridge tower</a></li> <li><a href="/wiki/Burh" title="Burh">Burh</a></li> <li><a href="/wiki/Butter-churn_tower" title="Butter-churn tower">Butter-churn tower</a></li> <li><a href="/wiki/Caer" title="Caer">Caer</a></li> <li><a href="/wiki/Caltrop" title="Caltrop">Caltrop</a></li> <li><a href="/wiki/Castle" title="Castle">Castle</a></li> <li><a href="/wiki/Chamber_gate" title="Chamber gate">Chamber gate</a></li> <li><a href="/wiki/Chartaque" title="Chartaque">Chartaque</a></li> <li><span title="Japanese-language text"><i lang="ja-Latn"><a href="/wiki/Chashi" title="Chashi">Chashi</a></i></span></li> <li><span title="French-language text"><i lang="fr"><a href="/wiki/Chemin_de_ronde" title="Chemin de ronde">Chemin de ronde</a></i></span></li> <li><span title="French-language text"><i lang="fr"><a href="/wiki/Chemise_(wall)" title="Chemise (wall)">Chemise</a></i></span></li> <li><span title="French-language text"><i lang="fr"><a href="/wiki/Cheval_de_frise" title="Cheval de frise">Cheval de frise</a></i></span></li> <li><a href="/wiki/Citadel" title="Citadel">Citadel</a></li> <li><a href="/wiki/Coercion_castle" title="Coercion castle">Coercion castle</a></li> <li><a href="/wiki/Concentric_castle" title="Concentric castle">Concentric castle</a></li> <li><a href="/wiki/Corner_tower" title="Corner tower">Corner tower</a></li> <li><a href="/wiki/Counter-castle" title="Counter-castle">Counter-castle</a></li> <li><a href="/wiki/Curtain_wall_(fortification)" title="Curtain wall (fortification)">Curtain</a></li> <li><a href="/wiki/Drawbridge" title="Drawbridge">Drawbridge</a></li> <li><span title="French-language text"><i lang="fr"><a href="/wiki/Enceinte" title="Enceinte">Enceinte</a></i></span></li> <li><span title="French-language text"><i lang="fr"><a href="/wiki/Embrasure" title="Embrasure">Embrasure</a></i></span></li> <li><a href="/wiki/Flanking_tower" title="Flanking tower">Flanking tower</a></li> <li>Fortified buildings (<a href="/wiki/Fortified_church" title="Fortified church">church</a>, <a href="/wiki/Fortified_house" title="Fortified house">house</a>, <a href="/wiki/Dzong_architecture" title="Dzong architecture">Dzong</a>)</li> <li><a href="/wiki/Fujian_tulou" title="Fujian tulou">Fujian tulou</a></li> <li><i><a href="/wiki/Ganerbenburg" title="Ganerbenburg">Ganerbenburg</a></i></li> <li><a href="/wiki/Gate_tower" title="Gate tower">Gate tower</a></li> <li><a href="/wiki/Gabion" title="Gabion">Gabion</a></li> <li><span title="French-language text"><i lang="fr"><a href="/wiki/Glacis" title="Glacis">Glacis</a></i></span></li> <li><a href="/wiki/Guard_tower" title="Guard tower">Guard tower</a></li> <li><span title="Russian-language text"><i lang="ru-Latn"><a href="/wiki/Gulyay-gorod" title="Gulyay-gorod">Gulyay-gorod</a></i></span></li> <li><span title="Japanese-language text"><i lang="ja-Latn"><a href="/wiki/Gusuku" title="Gusuku">Gusuku</a></i></span></li> <li><a href="/wiki/Half_tower" title="Half tower">Half tower</a></li> <li><a href="/wiki/Hoarding_(castle)" title="Hoarding (castle)">Hoarding</a></li> <li><a href="/wiki/Inner_bailey" title="Inner bailey">Inner bailey</a></li> <li><a href="/wiki/Kasbah" title="Kasbah">Kasbah</a></li> <li><a href="/wiki/Keep" title="Keep">Keep</a></li> <li><span title="Russian-language text"><i lang="ru-Latn"><a href="/wiki/Kremlin_(fortification)" title="Kremlin (fortification)">Kremlin</a></i></span> <small>(<span title="Russian-language text"><i lang="ru-Latn"><a href="/wiki/Detinets" title="Detinets">Detinets</a></i></span>)</small></li> <li><a href="/wiki/Ksar" title="Ksar">Ksar</a></li> <li><span title="German-language text"><i lang="de"><a href="/wiki/Landesburg" title="Landesburg">Landesburg</a></i></span></li> <li><a href="/wiki/L-plan_castle" title="L-plan castle">L-plan castle</a></li> <li><a href="/wiki/Machicolation" title="Machicolation">Machicolation</a></li> <li><span title="French-language text"><i lang="fr"><a href="/wiki/Merlon" title="Merlon">Merlon</a></i></span></li> <li><a href="/wiki/Moat" title="Moat">Moat</a></li> <li><a href="/wiki/Motte-and-bailey_castle" title="Motte-and-bailey castle">Motte-and-bailey</a></li> <li><a href="/wiki/Murder_hole" title="Murder hole">Murder hole</a></li> <li><a href="/wiki/Neck_ditch" title="Neck ditch">Neck ditch</a></li> <li><a href="/wiki/Outer_bailey" title="Outer bailey">Outer bailey</a></li> <li><a href="/wiki/Outwork" title="Outwork">Outwork</a></li> <li><a href="/wiki/Peel_tower" title="Peel tower">Peel tower</a></li> <li><a href="/wiki/Portcullis" title="Portcullis">Portcullis</a></li> <li><a href="/wiki/Postern" title="Postern">Postern</a></li> <li><a href="/wiki/Powder_tower" title="Powder tower">Powder tower</a></li> <li><a href="/wiki/Qalat_(fortress)" title="Qalat (fortress)">Qalat</a></li> <li><a href="/wiki/Reduit" title="Reduit">Reduit</a></li> <li><a href="/wiki/Ribat" title="Ribat">Ribat</a></li> <li><a href="/wiki/Ricetto" title="Ricetto">Ricetto</a></li> <li><a href="/wiki/Ringwork" title="Ringwork">Ringwork</a></li> <li><a href="/wiki/Roundel_(fortification)" title="Roundel (fortification)">Roundel</a></li> <li><a href="/wiki/Quadrangular_castle" title="Quadrangular castle">Quadrangular castle</a></li> <li><a href="/wiki/Shell_keep" title="Shell keep">Shell keep</a></li> <li><a href="/wiki/Shield_wall_(castle)" title="Shield wall (castle)">Shield wall</a></li> <li><span title="Japanese-language text"><i lang="ja-Latn"><a href="/wiki/Japanese_castle" title="Japanese castle">Shiro</a></i></span></li> <li><a href="/wiki/Toll_castle" title="Toll castle">Toll castle</a></li> <li><a href="/wiki/Tower_castle" title="Tower castle">Tower castle</a></li> <li><a href="/wiki/Tower_house" title="Tower house">Tower house</a></li> <li><a href="/wiki/Turret_(architecture)" title="Turret (architecture)">Turret</a></li> <li><a href="/wiki/Viking_ring_fortress" title="Viking ring fortress">Viking ring fortress</a></li> <li><a href="/wiki/Fortified_tower" title="Fortified tower">Wall tower</a></li> <li><a href="/wiki/Bailey_(castle)" title="Bailey (castle)">Bailey (or ward)</a></li> <li><a href="/wiki/Watchtower" title="Watchtower">Watchtower</a></li> <li><a href="/wiki/Witch_tower" title="Witch tower">Witch tower</a></li> <li><span title="Japanese-language text"><i lang="ja-Latn"><a href="/wiki/Yagura_(tower)" title="Yagura (tower)">Yagura</a></i></span></li> <li><a href="/wiki/Yett" title="Yett">Yett</a></li> <li><a href="/wiki/Zwinger" title="Zwinger">Zwinger</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Modern</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:3em">Early modern</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><span title="German-language text"><i lang="de"><a href="/wiki/Abwurfdach" class="mw-redirect" title="Abwurfdach">Abwurfdach</a></i></span></li> <li><a href="/wiki/Arsenal" title="Arsenal">Arsenal</a></li> <li><a href="/wiki/Barricade" title="Barricade">Barricade</a></li> <li><a href="/wiki/Bastion" title="Bastion">Bastion</a></li> <li><a href="/wiki/Blockhouse" title="Blockhouse">Blockhouse</a></li> <li><a href="/wiki/Breastwork_(fortification)" title="Breastwork (fortification)">Breastwork</a></li> <li><a href="/wiki/Canal" title="Canal">Canal</a></li> <li><span title="French-language text"><i lang="fr"><a href="/wiki/Caponier" title="Caponier">Caponier</a></i></span></li> <li><a href="/wiki/Casemate" title="Casemate">Casemate</a></li> <li><a href="/wiki/Cavalier_(fortification)" title="Cavalier (fortification)">Cavalier</a></li> <li><a href="/wiki/Counterguard" title="Counterguard">Counterguard</a></li> <li><span title="French-language text"><i lang="fr"><a href="/wiki/Couvreface" title="Couvreface">Couvreface</a></i></span></li> <li><span title="French-language text"><i lang="fr"><a href="/wiki/Coupure" title="Coupure">Coupure</a></i></span></li> <li><a href="/wiki/Covertway" title="Covertway">Covertway</a></li> <li><a href="/wiki/Crownwork" title="Crownwork">Crownwork</a></li> <li><a href="/wiki/Device_Forts" title="Device Forts">Device Forts</a></li> <li><a href="/wiki/Entrenchment_(fortification)" title="Entrenchment (fortification)">Entrenchment</a></li> <li><span title="French-language text"><i lang="fr"><a href="/wiki/Fl%C3%A8che_(fortification)" title="Flèche (fortification)">Flèche</a></i></span></li> <li><a href="/wiki/Gorge_(fortification)" title="Gorge (fortification)">Gorge</a></li> <li><a href="/wiki/Gunpowder_magazine" title="Gunpowder magazine">Gunpowder magazine</a></li> <li><a href="/wiki/Hornwork" title="Hornwork">Hornwork</a></li> <li><a href="/wiki/Kotta_mara" title="Kotta mara">Kotta mara</a></li> <li><span title="French-language text"><i lang="fr"><a href="/wiki/Lunette_(fortification)" title="Lunette (fortification)">Lunette</a></i></span></li> <li><a href="/wiki/Magazine_(artillery)" title="Magazine (artillery)">Magazine</a></li> <li><span title="French-language text"><i lang="fr"><a href="/wiki/Orillon" title="Orillon">Orillon</a></i></span></li> <li><span title="Russian-language text"><i lang="ru-Latn"><a href="/wiki/Ostrog_(fortress)" title="Ostrog (fortress)">Ostrog</a></i></span></li> <li><a href="/wiki/Palanka_(fortification)" title="Palanka (fortification)">Palanka</a></li> <li><a href="/wiki/Place-of-arms" title="Place-of-arms">Place-of-arms</a></li> <li><a href="/wiki/Polygonal_fort" title="Polygonal fort">Polygonal fort</a></li> <li><span title="Spanish-language text"><i lang="es"><a href="/wiki/Presidio" title="Presidio">Presidio</a></i></span> (Spanish America)</li> <li><a href="/wiki/Punji_stick" title="Punji stick">Punji sticks</a></li> <li><span title="French-language text"><i lang="fr"><a href="/wiki/Ravelin" title="Ravelin">Ravelin</a></i></span></li> <li><span title="French-language text"><i lang="fr"><a href="/wiki/Redan" title="Redan">Redan</a></i></span></li> <li><a href="/wiki/Redoubt" title="Redoubt">Redoubt</a></li> <li><a href="/wiki/Retrenchment_(military)" title="Retrenchment (military)">Retrenchment</a></li> <li><a href="/wiki/Sally_port" title="Sally port">Sally port</a></li> <li><a href="/wiki/Sandbag" title="Sandbag">Sandbag</a></li> <li><a href="/wiki/Counterscarp" title="Counterscarp">Scarp and Counterscarp</a></li> <li><a href="/wiki/Sconce_(fortification)" title="Sconce (fortification)">Sconce</a></li> <li><span title="French-language text"><i lang="fr"><a href="/wiki/Schanze" title="Schanze">Schanze</a></i></span></li> <li><a href="/wiki/Sea_fort" class="mw-redirect" title="Sea fort">Sea fort</a></li> <li><a href="/wiki/Station_(frontier_defensive_structure)" title="Station (frontier defensive structure)">Station</a></li> <li><a href="/wiki/Star_fort" class="mw-redirect" title="Star fort">Star fort</a></li> <li><span title="French-language text"><i lang="fr"><a href="/wiki/Tenaille" title="Tenaille">Tenaille</a></i></span></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:3em">19th century</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Barbed_wire" title="Barbed wire">Barbed wire</a></li> <li><span title="French-language text"><i lang="fr"><a href="/wiki/Barbette" title="Barbette">Barbette</a></i></span></li> <li><a href="/wiki/Border_outpost" title="Border outpost">Border outpost</a></li> <li><a href="/wiki/Bunker" title="Bunker">Bunker</a></li> <li><a href="/wiki/Coastal_artillery" title="Coastal artillery">Coastal artillery</a></li> <li><a href="/wiki/Disappearing_gun" title="Disappearing gun">Disappearing gun</a></li> <li><a href="/wiki/Fire_control_tower" title="Fire control tower">Fire control tower</a></li> <li><a href="/wiki/Gun_turret" title="Gun turret">Gun turret</a></li> <li><a href="/wiki/Land_mine" title="Land mine">Land mine</a></li> <li><a href="/wiki/Martello_tower" title="Martello tower">Martello tower</a></li> <li><a href="/wiki/Outpost_(military)" title="Outpost (military)">Outpost</a></li> <li><a href="/wiki/Polygonal_fort" title="Polygonal fort">Polygonal fort</a></li> <li><span title="Persian-language text"><i lang="fa-Latn"><a href="/wiki/Sangar_(fortification)" title="Sangar (fortification)">Sangar</a></i></span></li> <li><a href="/wiki/Wire_obstacle" title="Wire obstacle">Wire obstacles</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:3em">20th century</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Admiralty_scaffolding" title="Admiralty scaffolding">Admiralty scaffolding</a></li> <li><a href="/wiki/Air_raid_shelter" title="Air raid shelter">Air raid shelter</a></li> <li><a href="/wiki/Anti-tank_trench" title="Anti-tank trench">Anti-tank trench</a></li> <li><a href="/wiki/Barbed_tape" class="mw-redirect" title="Barbed tape">Barbed tape</a></li> <li><a href="/wiki/Cointet-element" title="Cointet-element">Belgian gate</a></li> <li><a href="/wiki/Blast_shelter" title="Blast shelter">Blast shelter</a></li> <li><a href="/wiki/Blast_wall" title="Blast wall">Blast wall</a></li> <li><a href="/wiki/Border_security" class="mw-redirect" title="Border security">Border security</a></li> <li><a href="/wiki/Bomb_shelter" title="Bomb shelter">Bomb shelter</a></li> <li><a href="/wiki/Buoy_anti-tank_obstacle" title="Buoy anti-tank obstacle">Buoy</a></li> <li><a href="/wiki/Bremer_wall" title="Bremer wall">Bremer wall</a></li> <li><a href="/wiki/Concertina_wire" title="Concertina wire">Concertina wire</a></li> <li><a href="/wiki/Defensive_fighting_position" title="Defensive fighting position">Defensive fighting position</a></li> <li><a href="/wiki/British_anti-invasion_preparations_of_the_Second_World_War#Lines_and_islands" title="British anti-invasion preparations of the Second World War">British "hedgehog" road block</a></li> <li><a href="/wiki/Czech_hedgehog" title="Czech hedgehog">Czech hedgehog</a></li> <li><a href="/wiki/Dragon%27s_teeth_(fortification)" title="Dragon's teeth (fortification)">Dragon's teeth</a></li> <li><a href="/wiki/Forward_operating_base" title="Forward operating base">Entry control point (ECP)</a></li> <li><a href="/wiki/Electric_fence" title="Electric fence">Electric fence</a></li> <li><a href="/wiki/Fallout_shelter" title="Fallout shelter">Fallout shelter</a></li> <li><a class="mw-selflink selflink">Fire support base</a></li> <li><a href="/wiki/Flak_tower" title="Flak tower">Flak tower</a></li> <li><a href="/wiki/Hardened_aircraft_shelter" title="Hardened aircraft shelter">Hardened aircraft shelter</a></li> <li><a href="/wiki/Hesco_bastion" title="Hesco bastion">Hesco bastion</a></li> <li><a href="/wiki/Kabal_(earthworks)" title="Kabal (earthworks)">Kabal</a></li> <li><a href="/wiki/Loophole_(firearm)" title="Loophole (firearm)">Loophole</a></li> <li><a href="/wiki/Main_line_of_resistance" title="Main line of resistance">Main line of resistance</a></li> <li><a href="/wiki/Missile_launch_facility" title="Missile launch facility">Missile launch facility</a></li> <li><a href="/wiki/Pillbox_(military)" title="Pillbox (military)">Pillbox</a></li> <li><a href="/wiki/Revetment_(aircraft)" title="Revetment (aircraft)">Revetment</a></li> <li><a href="/wiki/Sentry_gun" title="Sentry gun">Sentry gun</a></li> <li><a href="/wiki/Spider_hole" title="Spider hole">Spider hole</a></li> <li><a href="/wiki/Submarine_pen" title="Submarine pen">Submarine pen</a></li> <li><a href="/wiki/Underground_hangar" title="Underground hangar">Underground hangar</a></li> <li><a href="/wiki/Weapon_storage_area" title="Weapon storage area">Weapon storage area</a></li> <li><a href="/wiki/Weapons_Storage_and_Security_System" title="Weapons Storage and Security System">Weapons Storage and Security System</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">By topography</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Cave_castle" title="Cave castle">Cave castle</a></li> <li><a href="/wiki/Hill_castle" title="Hill castle">Hill castle</a></li> <li><a href="/wiki/Hillfort" title="Hillfort">Hillfort</a></li> <li><a href="/wiki/Hillside_castle" title="Hillside castle">Hillside castle</a></li> <li><a href="/wiki/Hilltop_castle" title="Hilltop castle">Hilltop castle</a></li> <li><a href="/wiki/Island_castle" title="Island castle">Island castle</a></li> <li><a href="/wiki/Lowland_castle" title="Lowland castle">Lowland castle</a></li> <li><a href="/wiki/Marsh_castle" title="Marsh castle">Marsh castle</a></li> <li><a href="/wiki/Water_castle" title="Water castle">Moated castle</a></li> <li><a href="/wiki/Promontory_fort" title="Promontory fort">Promontory fort</a></li> <li><a href="/wiki/Ridge_castle" title="Ridge castle">Ridge castle</a></li> <li><span title="Italian-language text"><i lang="it"><a href="/wiki/Rocca_(fortification)" title="Rocca (fortification)">Rocca</a></i></span></li> <li><a href="/wiki/Rock_castle" title="Rock castle">Rock castle</a></li> <li><a href="/wiki/Spur_castle" title="Spur castle">Spur castle</a></li> <li><a href="/wiki/Water_castle" title="Water castle">Water castle</a></li> <li><a href="/wiki/Kotta_mara" title="Kotta mara">Floating water castle</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">By role</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Border_barrier" title="Border barrier">Border barrier</a></li> <li><a href="/wiki/Coastal_defence_and_fortification" title="Coastal defence and fortification">Coastal defence</a></li> <li><a href="/wiki/Coercion_castle" title="Coercion castle">Coercion castle</a></li> <li><a href="/wiki/Counter-castle" title="Counter-castle">Counter-castle</a></li> <li><a href="/wiki/Fence" title="Fence">Fence</a></li> <li><i><a href="/wiki/Ganerbenburg" title="Ganerbenburg">Ganerbenburg</a></i></li> <li><a href="/wiki/Jagdschloss" title="Jagdschloss">Hunting lodge</a></li> <li><a href="/wiki/Imperial_castle" title="Imperial castle">Imperial castle</a></li> <li><span title="German-language text"><i lang="de"><a href="/wiki/Kaiserpfalz" title="Kaiserpfalz">Kaiserpfalz</a></i></span></li> <li><span title="German-language text"><i lang="de"><a href="/wiki/Landesburg" title="Landesburg">Landesburg</a></i></span></li> <li><span title="German-language text"><i lang="de"><a href="/wiki/Lustschloss" title="Lustschloss">Lustschloss</a></i></span></li> <li><a href="/wiki/Military_base" title="Military base">Military base</a></li> <li><a href="/wiki/Obstacle" title="Obstacle">Obstacle</a></li> <li><span title="German-language text"><i lang="de"><a href="/wiki/Ordensburg" title="Ordensburg">Ordensburg</a></i></span></li> <li><a href="/wiki/Refuge_castle" title="Refuge castle">Refuge castle</a></li> <li><a href="/wiki/Toll_castle" title="Toll castle">Toll castle</a></li> <li><a href="/wiki/Urban_castle" title="Urban castle">Urban castle</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">By design</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Bastion_fort" title="Bastion fort">Bastion fort</a></li> <li><a href="/wiki/Bridge_castle" title="Bridge castle">Bridge castle</a></li> <li><a href="/wiki/Circular_rampart" title="Circular rampart">Circular rampart</a></li> <li><a href="/wiki/Concentric_castle" title="Concentric castle">Concentric castle</a></li> <li><a href="/wiki/L-plan_castle" title="L-plan castle">L-plan castle</a></li> <li><a href="/wiki/Motte-and-bailey_castle" title="Motte-and-bailey castle">Motte-and-bailey castle</a></li> <li><a href="/wiki/Quadrangular_castle" title="Quadrangular castle">Quadrangular castle</a></li> <li><a href="/wiki/Ringfort" title="Ringfort">Ringfort</a></li> <li><a href="/wiki/Ringwork" title="Ringwork">Ringwork</a></li> <li><a href="/wiki/Tower_castle" title="Tower castle">Tower castle</a></li> <li><a href="/wiki/Z-plan_castle" title="Z-plan castle">Z-plan castle</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Lists</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/List_of_bastion_forts" title="List of bastion forts">Bastion forts</a></li> <li><a href="/wiki/List_of_castles" title="List of castles">Castles</a></li> <li><a href="/wiki/List_of_cities_with_defensive_walls" title="List of cities with defensive walls">Cities with defensive walls</a></li> <li><a href="/wiki/Defense_line" title="Defense line">Defense line</a></li> <li><a href="/wiki/Fortified_estate" class="mw-redirect" title="Fortified estate">Fortified estate</a></li> <li><a href="/wiki/List_of_fortifications" title="List of fortifications">Fortifications</a></li> <li><a href="/wiki/List_of_forts" title="List of forts">Forts</a></li> <li><a href="/wiki/Lists_of_military_installations" title="Lists of military installations">Military installations</a></li> <li><a href="/wiki/List_of_walls" title="List of walls">Walls</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Related word</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Castle_town" title="Castle town">Castle town</a></li> <li><a href="/wiki/Ch%C3%A2teau" title="Château">Château</a></li> <li><a href="/wiki/Dungeon" title="Dungeon">Dungeon</a></li> <li><a href="/wiki/Festung" title="Festung">Festung</a></li> <li><a href="/wiki/Fortified_gateway" title="Fortified gateway">Fortified gateway</a></li> <li><a href="/wiki/Gatekeeper" title="Gatekeeper">Gatekeeper</a></li> <li><a href="/wiki/Loophole_(firearm)" title="Loophole (firearm)">Loophole</a></li> <li><a href="/wiki/National_redoubt" title="National redoubt">National redoubt</a></li> <li><a href="/wiki/Palas" title="Palas">Palas</a></li> <li><a href="/wiki/Picket_(military)" title="Picket (military)">Picket</a></li> <li><a href="/wiki/Schloss" title="Schloss">Schloss</a></li> <li><a href="/wiki/Trench" title="Trench">Trench</a></li> <li><a href="/wiki/Vedette_(sentry)" title="Vedette (sentry)">Vedette</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other topics</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Civil_defense" title="Civil defense">Civil defense</a></li> <li><a href="/wiki/Continuity_of_government" title="Continuity of government">Continuity of government</a></li> <li><a href="/wiki/Military_urbanism" title="Military urbanism">Military urbanism</a></li> <li><a href="/wiki/Subterranean_warfare" title="Subterranean warfare">Subterranean warfare</a></li> <li><a href="/wiki/Siege" title="Siege">Siege</a></li> <li><a href="/wiki/Siege_engine" title="Siege engine">Siege engine</a> <ul><li><a href="/wiki/List_of_siege_engines" title="List of siege engines">list</a></li></ul></li> <li><a href="/wiki/Tunnel_warfare" title="Tunnel warfare">Tunnel warfare</a></li> <li><a href="/wiki/Trench_warfare" title="Trench warfare">Trench warfare</a></li> <li><a href="/wiki/Urban_warfare" title="Urban warfare">Urban warfare</a> <ul><li><a href="/wiki/Urban_guerrilla_warfare" class="mw-redirect" title="Urban guerrilla warfare">Guerrilla</a></li></ul></li></ul> </div></td></tr><tr><td class="navbox-abovebelow hlist" colspan="2"><div> <ul><li><span class="nobold">See also</span>: <b><span class="noviewer" typeof="mw:File"><span title="Category"><img alt="" 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