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<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"><p class="mw-empty-elt"> </p> <div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Naval gun</div><style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox vcard" style="width:25.5em;border-spacing:2px;"><tbody><tr><th colspan="2" class="infobox-above hproduct" style="background-color:#C3D6EF;color:inherit;text-align:center;vertical-align:middle;font-size:110%;"><span class="fn org"> BL 9.2-inch Mk XI gun </span></th></tr><tr><td colspan="2" class="infobox-image" style="text-align:center;border-bottom:1px solid #aaa;line-height:1.5em;"><span typeof="mw:File"><a href="/wiki/File:HMS_Agamemnon_(1906)_9.2-inch_gun_firing_on_Sedd_el_Bahr_4_March_1915.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/HMS_Agamemnon_%281906%29_9.2-inch_gun_firing_on_Sedd_el_Bahr_4_March_1915.jpg/300px-HMS_Agamemnon_%281906%29_9.2-inch_gun_firing_on_Sedd_el_Bahr_4_March_1915.jpg" decoding="async" width="300" height="214" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/HMS_Agamemnon_%281906%29_9.2-inch_gun_firing_on_Sedd_el_Bahr_4_March_1915.jpg/450px-HMS_Agamemnon_%281906%29_9.2-inch_gun_firing_on_Sedd_el_Bahr_4_March_1915.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/70/HMS_Agamemnon_%281906%29_9.2-inch_gun_firing_on_Sedd_el_Bahr_4_March_1915.jpg/600px-HMS_Agamemnon_%281906%29_9.2-inch_gun_firing_on_Sedd_el_Bahr_4_March_1915.jpg 2x" data-file-width="800" data-file-height="570" /></a></span><div class="infobox-caption"><a href="/wiki/HMS_Agamemnon_(1906)" title="HMS Agamemnon (1906)"><i>Agamemnon</i></a> fires her 9.2-inch secondary guns at <a href="/wiki/Ottoman_Empire" title="Ottoman Empire">Ottoman Turkish</a> forts at <a href="/wiki/Sedd_el_Bahr" title="Sedd el Bahr">Sedd el Bahr</a> on 4 March 1915</div></td></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em">Type</th><td class="infobox-data">Naval gun</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em">Place of origin</th><td class="infobox-data">United Kingdom</td></tr><tr><th colspan="2" class="infobox-header" style="background-color:#C3D6EF;color:inherit;text-align:center;vertical-align:middle;font-size:110%;">Service history</th></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em">In service</th><td class="infobox-data">1908 – 1920<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></td></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em">Used by</th><td class="infobox-data">United Kingdom</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em">Wars</th><td class="infobox-data"><a href="/wiki/World_War_I" title="World War I">World War I</a></td></tr><tr><th colspan="2" class="infobox-header" style="background-color:#C3D6EF;color:inherit;text-align:center;vertical-align:middle;font-size:110%;">Production history</th></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em">Designer</th><td class="infobox-data">Vickers</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em">Designed</th><td class="infobox-data">1902<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></td></tr><tr><th colspan="2" class="infobox-header" style="background-color:#C3D6EF;color:inherit;text-align:center;vertical-align:middle;font-size:110%;">Specifications</th></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em">Mass</th><td class="infobox-data">28 tons barrel & breech</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em"><a href="/wiki/Gun_barrel" title="Gun barrel">Barrel</a> length</th><td class="infobox-data">38 ft 4 in (11.68 m) bore (50 <a href="/wiki/Caliber#Caliber_as_measurement_of_length" title="Caliber">cal</a>)</td></tr><tr><td colspan="2" class="infobox-full-data"><hr /></td></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em"><a href="/wiki/Shell_(projectile)" title="Shell (projectile)">Shell</a></th><td class="infobox-data">380 pounds (172.4 kg) <a href="/wiki/British_ordnance_terms#Common_Lyddite" class="mw-redirect" title="British ordnance terms">Lyddite</a>, <a href="/wiki/Armour-piercing" class="mw-redirect" title="Armour-piercing">Armour-piercing</a>, <a href="/wiki/Shrapnel_shell" title="Shrapnel shell">Shrapnel</a><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></td></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em"><a href="/wiki/Caliber" title="Caliber">Calibre</a></th><td class="infobox-data">9.2 inches (233.7 mm)</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em"><a href="/wiki/Muzzle_velocity" title="Muzzle velocity">Muzzle velocity</a></th><td class="infobox-data">2,875 ft/s (876 m/s)<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></td></tr></tbody></table> <p>The <b>BL 9.2-inch Mark XI gun</b><sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>note 1<span class="cite-bracket">]</span></a></sup> was a British 50 <a href="/wiki/Caliber#Caliber_as_measurement_of_length" title="Caliber">calibre</a> high-velocity <a href="/wiki/Naval_artillery" title="Naval artillery">naval gun</a> which was mounted as primary armament on <a href="/wiki/Armoured_cruiser" class="mw-redirect" title="Armoured cruiser">armoured cruisers</a> and secondary armament on <a href="/wiki/Pre-dreadnought_battleship" title="Pre-dreadnought battleship">pre-dreadnought battleships</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="History">History</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=BL_9.2-inch_Mk_XI_naval_gun&action=edit&section=1" title="Edit section: History"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The gun with its increased length of 50 calibres was an attempt to extract a higher velocity, and hence more range and armour-piercing capability, from the <a href="/wiki/BL_9.2-inch_Mk_IX%E2%80%93X_naval_gun" class="mw-redirect" title="BL 9.2-inch Mk IX–X naval gun">9.2-inch gun</a>. Like other British 50-calibre guns of the period, it was relatively unsuccessful and was the last model of 9.2-inch gun Britain built. </p><p>Guns were mounted in the following ships : </p> <ul><li><a href="/wiki/Minotaur-class_cruiser_(1906)" title="Minotaur-class cruiser (1906)"><i>Minotaur</i>-class armoured cruisers</a> laid down 1905 & completed 1908–1909: 2 twin mounts.</li> <li><a href="/wiki/Lord_Nelson-class_battleship" title="Lord Nelson-class battleship"><i>Lord Nelson</i>-class battleships</a> laid down 1905 & completed 1908: 4 twin mounts and 2 single mounts.</li></ul> <p>After the scrapping of these ships, these guns and mountings were retained in storage. There was the intention, at one point, early during World War Two, to use them as armament for small monitors which would have been reduced versions of the <a href="/wiki/Roberts-class_monitor" title="Roberts-class monitor"><i>Roberts</i>-class monitors</a>; this however never advanced beyond the planning stage. </p> <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=BL_9.2-inch_Mk_XI_naval_gun&action=edit&section=2" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/List_of_naval_guns" title="List of naval guns">List of naval guns</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Notes">Notes</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=BL_9.2-inch_Mk_XI_naval_gun&action=edit&section=3" title="Edit section: Notes"><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-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text">Mark XI = Mark 11. Britain use <a href="/wiki/Roman_numerals" title="Roman numerals">Roman numerals</a> to denote Marks (models) of ordnance until after World War II. Hence this was the eleventh model of BL 9.2-inch gun.</span> </li> </ol></div></div> <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=BL_9.2-inch_Mk_XI_naval_gun&action=edit&section=4" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239543626"><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">1908–1920 : Dates of commissioning and scrapping of the ships. The guns were not used again after removal.</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">The National Archives of the United Kingdom, Kew. SUPP 6/61</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">380 lb shells : <a href="/wiki/Treatise_on_Ammunition" title="Treatise on Ammunition">Treatise on Ammunition</a>, 1915</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">2875 ft/second : As quoted in <a rel="nofollow" class="external text" href="http://dreadnoughtproject.org/docs/notes/Range_Tables_for_HM_Fleet_1910.php">"Range Tables for His Majesty's Fleet, 1910. February, 1911"</a>; with 130 ½ lb cordite MD propellant : <a href="/wiki/Treatise_on_Ammunition" title="Treatise on Ammunition">Treatise on Ammunition</a>, 1915</span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="Bibliography">Bibliography</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=BL_9.2-inch_Mk_XI_naval_gun&action=edit&section=5" title="Edit section: Bibliography"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The National Archives of the United Kingdom, Kew. SUPP 6/61 </p> <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=BL_9.2-inch_Mk_XI_naval_gun&action=edit&section=6" 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 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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/en/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png" decoding="async" width="30" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/45px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/59px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></span></span></div> <div class="side-box-text plainlist">Wikimedia Commons has media related to <span style="font-weight: bold; font-style: italic;"><a href="https://commons.wikimedia.org/wiki/Category:BL_9.2_inch_Mk_XI_naval_gun" class="extiw" title="commons:Category:BL 9.2 inch Mk XI naval gun">BL 9.2 inch Mk XI naval gun</a></span>.</div></div> </div> <ul><li>Tony DiGiulian, <a rel="nofollow" class="external text" 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naval gun">BL 9.2-inch Mk VIII</a></li> <li><a href="/wiki/BL_9.2-inch_Mk_IX_%E2%80%93_X_naval_gun" title="BL 9.2-inch Mk IX – X naval gun">BL 9.2-inch Mk X</a></li> <li><a href="/w/index.php?title=BL_9.2-inch_Mk_XII_naval_gun&action=edit&redlink=1" class="new" title="BL 9.2-inch Mk XII naval gun (page does not exist)">BL 9.2-inch Mk XII</a></li> <li><a href="/wiki/BL_12-inch_Mk_VIII_naval_gun" title="BL 12-inch Mk VIII naval gun">BL 12-inch Mk VIII</a></li> <li><a href="/wiki/14-inch/45-caliber_gun" title="14-inch/45-caliber gun">BL 14-inch Mk II</a> (US built)</li> <li><a href="/wiki/BL_15-inch_Mk_I_naval_gun" title="BL 15-inch Mk I naval gun">BL 15-inch Mk I</a></li> <li><a href="/wiki/BL_18-inch_Mk_I_naval_gun" title="BL 18-inch Mk I naval gun">BL 18-inch Mk I</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;"><a href="/wiki/Capital_ship" title="Capital ship">Capital ship</a> main armament</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/Vickers_10-inch_45-calibre_naval_gun" title="Vickers 10-inch 45-calibre naval gun">Vickers 10-inch 45 cal.</a></li> <li><a href="/wiki/EOC_10-inch_45-calibre_naval_gun" title="EOC 10-inch 45-calibre naval gun">EOC 10-inch 45 cal.</a></li> <li><a href="/wiki/BL_12-inch_Mk_VIII_naval_gun" title="BL 12-inch Mk VIII naval gun">BL 12-inch Mk VIII</a></li> <li><a href="/wiki/Armstrong_Whitworth_12-inch_40-calibre_naval_gun" title="Armstrong Whitworth 12-inch 40-calibre naval gun">BL 12-inch Mk IX</a></li> <li><a href="/wiki/BL_12-inch_Mk_X_naval_gun" title="BL 12-inch Mk X naval gun">BL 12-inch Mk X</a></li> <li><a href="/wiki/BL_12-inch_Mk_XI_%E2%80%93_XII_naval_gun" title="BL 12-inch Mk XI – XII naval gun">BL 12-inch Mk XI & XII</a></li> <li><a href="/wiki/EOC_12-inch_45-calibre_naval_gun" title="EOC 12-inch 45-calibre naval gun">EOC 12-inch 45 cal. Mk XIII</a></li> <li><a href="/wiki/BL_13.5-inch_Mk_I_%E2%80%93_IV_naval_gun" title="BL 13.5-inch Mk I – IV naval gun">BL 13.5-inch Mk I – IV</a></li> <li><a href="/wiki/BL_13.5-inch_Mk_V_naval_gun" title="BL 13.5-inch Mk V naval gun">BL 13.5-inch Mk V</a></li> <li><a href="/wiki/BL_13.5-inch_Mk_VI_naval_gun" title="BL 13.5-inch Mk VI naval gun">BL 13.5-inch Mk VI</a></li> <li><a href="/wiki/EOC_14-inch_45-calibre_naval_gun" title="EOC 14-inch 45-calibre naval gun">EOC 14-inch 45 cal. Mk I</a></li> <li><a href="/wiki/BL_15-inch_Mk_I_naval_gun" title="BL 15-inch Mk I naval gun">BL 15-inch Mk I</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;"><a href="/wiki/Armoured_cruiser" class="mw-redirect" title="Armoured cruiser">Armoured cruiser</a> main armament</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/BL_7.5-inch_Mk_I_naval_gun" title="BL 7.5-inch Mk I naval gun">BL 7.5-inch Mk I</a></li> <li><a href="/wiki/BL_9.2-inch_Mk_IX_%E2%80%93_X_naval_gun" title="BL 9.2-inch Mk IX – X naval gun">BL 9.2-inch Mk X</a></li> <li><a class="mw-selflink selflink">BL 9.2-inch Mk XI</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;">Secondary armament and<br /><a href="/wiki/Light_cruiser" title="Light cruiser">light cruiser</a> main armament</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/QF_12-pounder_18_cwt_naval_gun" title="QF 12-pounder 18 cwt naval gun">QF 12-pounder 18 cwt</a></li> <li><a href="/wiki/QF_14-pounder_Maxim-Nordenfelt_naval_gun" title="QF 14-pounder Maxim-Nordenfelt naval gun">QF 14-pounder Maxim-Nordenfelt</a></li> <li><a href="/wiki/QF_14-pounder_naval_gun_Mk_I_%26_II" title="QF 14-pounder naval gun Mk I & II">QF 14-pounder Mk I & II</a></li> <li><a href="/wiki/QF_4-inch_naval_gun_Mk_I_%E2%80%93_III" title="QF 4-inch naval gun Mk I – III">QF 4-inch Mk III</a></li> <li><a href="/wiki/BL_4-inch_Mk_VII_naval_gun" title="BL 4-inch Mk VII naval gun">BL 4-inch Mk VII</a></li> <li><a href="/wiki/QF_4-inch_naval_gun_Mk_V" title="QF 4-inch naval gun Mk V">QF 4-inch Mk V</a></li> <li><a href="/wiki/BL_4-inch_Mk_IX_naval_gun" title="BL 4-inch Mk IX naval gun">BL 4-inch Mk IX</a></li> <li><a href="/wiki/BL_5.5-inch_Mk_I_naval_gun" title="BL 5.5-inch Mk I naval gun">BL 5.5-inch Mk I</a></li> <li><a href="/wiki/QF_6-inch_naval_gun" title="QF 6-inch naval gun">QF 6-inch Mk I – III</a></li> <li><a href="/wiki/BL_6-inch_Mk_VII_naval_gun" title="BL 6-inch Mk VII naval gun">BL 6-inch Mk VII</a></li> <li><a href="/wiki/BL_6-inch_Mk_XI_naval_gun" title="BL 6-inch Mk XI naval gun">BL 6-inch Mk XI</a></li> <li><a href="/wiki/BL_6-inch_Mk_XII_naval_gun" title="BL 6-inch Mk XII naval gun">BL 6-inch Mk XII</a></li> <li><a href="/wiki/BL_6-inch_Mk_XIII_%E2%80%93_XVIII_naval_gun" title="BL 6-inch Mk XIII – XVIII naval gun">BL 6-inch Mk XIII-XVIII</a></li> <li><a href="/wiki/BL_7.5-inch_Mk_II_%E2%80%93_V_naval_gun" title="BL 7.5-inch Mk II – V naval gun">BL 7.5-inch Mk II – Mk V</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;"><a href="/wiki/Destroyer" title="Destroyer">Destroyer</a> and<br />small cruiser armament</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/QF_12-pounder_12_cwt_naval_gun" title="QF 12-pounder 12 cwt naval gun">QF 12-pounder 12 cwt Mk II</a></li> <li><a href="/wiki/QF_4-inch_naval_gun_Mk_I_%E2%80%93_III" title="QF 4-inch naval gun Mk I – III">QF 4-inch Mk III</a></li> <li><a href="/wiki/BL_4-inch_Mk_VIII_naval_gun" title="BL 4-inch Mk VIII naval gun">BL 4-inch Mk VIII</a></li> <li><a href="/wiki/QF_4-inch_naval_gun_Mk_IV,_XII,_XXII" title="QF 4-inch naval gun Mk IV, XII, XXII">QF 4-inch Mk IV</a></li> <li><a href="/wiki/BL_4.7-inch_45-calibre_naval_gun" title="BL 4.7-inch 45-calibre naval gun">BL 4.7-inch Mk I</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;">Merchant ship armament</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/QF_4.7-inch_Mk_I_%E2%80%93_IV_naval_gun" class="mw-redirect" title="QF 4.7-inch Mk I – IV naval gun">QF 4.7-inch Mk I – IV</a></li> <li><a href="/wiki/QF_4.7-inch_Mk_V_naval_gun" title="QF 4.7-inch Mk V naval gun">QF 4.7-inch Mk V*</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;">Submarine guns</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/BL_4-inch_Mk_XI_naval_gun" class="mw-redirect" title="BL 4-inch Mk XI naval gun">BL 4-inch Mk XI</a></li> <li><a href="/wiki/QF_4-inch_naval_gun_Mk_IV,_XII,_XXII" title="QF 4-inch naval gun Mk IV, XII, XXII">QF 4-inch Mk XII</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;"><a href="/wiki/Anti-aircraft_warfare" title="Anti-aircraft warfare">Anti-aircraft guns</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/QF_2-pounder_naval_gun" title="QF 2-pounder naval gun">QF 2-pounder "pom-pom" Mk II</a></li> <li><a href="/wiki/QF_3-inch_20_cwt" title="QF 3-inch 20 cwt">QF 3-inch 20 cwt</a></li> <li><a href="/wiki/QF_4-inch_naval_gun_Mk_V" title="QF 4-inch naval gun Mk V">QF 4-inch Mk V</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;">Light weapons</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/Vickers_machine_gun" title="Vickers machine gun">.303 Vickers machine gun</a></li> <li><a href="/wiki/QF_3-pounder_Hotchkiss" title="QF 3-pounder Hotchkiss">QF 3-pounder Hotchkiss</a></li> <li><a href="/wiki/QF_3-pounder_Vickers" title="QF 3-pounder Vickers">QF 3-pounder Vickers</a></li> <li><a href="/wiki/QF_6-pounder_Hotchkiss" title="QF 6-pounder Hotchkiss">QF 6-pounder Hotchkiss</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;"><a href="/wiki/Torpedo" title="Torpedo">Torpedoes</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/British_18-inch_torpedo" title="British 18-inch torpedo">18-inch Mk V – VIII</a></li> <li><a href="/wiki/British_21-inch_torpedo#21-inch_Mark_II" title="British 21-inch torpedo">21-inch Mk II</a></li> <li><a href="/wiki/British_21-inch_torpedo#21-inch_Mark_IV" title="British 21-inch torpedo">21-inch Mk IV</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;"><a href="/wiki/Naval_mine" title="Naval mine">Mines</a></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="/w/index.php?title=Navy_Spherical_Mine&action=edit&redlink=1" class="new" title="Navy Spherical Mine (page does not exist)">Spherical Mk I, II and III</a></li> <li><a href="/w/index.php?title=Vickers_Elia_mine&action=edit&redlink=1" class="new" title="Vickers Elia mine (page does not exist)">Vickers Elia mine</a></li> <li><a href="/w/index.php?title=Type_H_mine&action=edit&redlink=1" class="new" title="Type H mine (page does not exist)">Type H mine</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;">Anti-submarine weapons</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="/w/index.php?title=Type_A_Depth_charge&action=edit&redlink=1" class="new" title="Type A Depth charge (page does not exist)">Type A Depth charge</a></li> <li><a href="/w/index.php?title=Type_B_Depth_charge&action=edit&redlink=1" class="new" title="Type B Depth charge (page does not exist)">Type B Depth charge</a></li> <li><a href="/w/index.php?title=Type_C_Depth_charge&action=edit&redlink=1" class="new" title="Type C Depth charge (page does not exist)">Type C Depth charge</a></li> <li><a href="/w/index.php?title=Type_D_Depth_charge&action=edit&redlink=1" class="new" title="Type D Depth charge (page does not exist)">Type D Depth charge</a></li> <li><a href="/w/index.php?title=Type_E_Depth_charge&action=edit&redlink=1" class="new" title="Type E Depth charge (page does not exist)">Type E Depth charge</a></li> <li><a href="/w/index.php?title=Type_F_Depth_charge&action=edit&redlink=1" class="new" title="Type F Depth charge (page does not exist)">Type F Depth charge</a></li> <li><a href="/w/index.php?title=Type_G_Depth_charge&action=edit&redlink=1" class="new" title="Type G Depth charge (page does not exist)">Type G Depth charge</a></li> <li><a href="/w/index.php?title=Cruiser_Mine&action=edit&redlink=1" class="new" title="Cruiser Mine (page does not exist)">Cruiser Mine</a></li> <li><a href="/w/index.php?title=BL_7.5-inch_Naval_Howitzer&action=edit&redlink=1" class="new" title="BL 7.5-inch Naval Howitzer (page does not exist)">7.5-inch howitzer</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;">Landing guns</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/QF_12-pounder_8_cwt_gun" title="QF 12-pounder 8 cwt gun">QF 12-pounder 8 cwt</a></li></ul> </div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a 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