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class="mw-empty-elt"> </p> <div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Self-propelled artillery</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"> T19/M21 mortar motor carriage </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:M21_Mortar_Carrier.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a8/M21_Mortar_Carrier.png/300px-M21_Mortar_Carrier.png" decoding="async" width="300" height="183" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a8/M21_Mortar_Carrier.png/450px-M21_Mortar_Carrier.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a8/M21_Mortar_Carrier.png/600px-M21_Mortar_Carrier.png 2x" data-file-width="715" data-file-height="435" /></a></span><div class="infobox-caption">Contemporary photograph of a M21 mortar motor carriage</div></td></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em">Type</th><td class="infobox-data"><a href="/wiki/Self-propelled_artillery" title="Self-propelled artillery">Self-propelled artillery</a></td></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em">Place of origin</th><td class="infobox-data"><a href="/wiki/United_States" title="United States">United States</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%;">Service history</th></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em">In service</th><td class="infobox-data">1944–45</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em">Used by</th><td class="infobox-data"><a href="/wiki/United_States" title="United States">United States</a></td></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em">Wars</th><td class="infobox-data"><a href="/wiki/World_War_II" title="World War II">World War II</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">Ordnance department</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em">Designed</th><td class="infobox-data">1942–43</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em">Manufacturer</th><td class="infobox-data"><a href="/wiki/White_Motor_Company" title="White Motor Company">White Motor Company</a></td></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em">Produced</th><td class="infobox-data">1944</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em"><abbr title="Number">No.</abbr> built</th><td class="infobox-data">110</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">9 tons</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em">Length</th><td class="infobox-data">20 ft 9 in (6.32 m)</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em">Width</th><td class="infobox-data">7 ft 3 in (2.22 m)</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em">Height</th><td class="infobox-data">7 ft 5 in (2.26 m)</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/Vehicle_armour" title="Vehicle armour">Armor</a></th><td class="infobox-data">Rolled face-hardened steel,<br /> between 6–13 mm (0.24–0.51 in) thick</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em"><div style="line-height:1.25em">Main<br />armament</div></th><td class="infobox-data"><a href="/wiki/M1_mortar" title="M1 mortar">81 mm M1 mortar</a></td></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em"><div style="line-height:1.25em">Secondary<br />armament</div></th><td class="infobox-data">0.5 inch (12.7 mm) <a href="/wiki/M2_machine_gun" class="mw-redirect" title="M2 machine gun">M2 machine gun</a></td></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em">Engine</th><td class="infobox-data">White 160AX, 6,330 cc (386 in<sup>3</sup>) 6-cylinder, <a href="/wiki/Petrol_engine" title="Petrol engine">gasoline (petrol)</a> <a href="/wiki/Compression_ratio" title="Compression ratio">compression ratio</a> 6.3:1<br />128 hp (95 kW)</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em">Power/weight</th><td class="infobox-data">15.8 hp/ton</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em">Suspension</th><td class="infobox-data">tracks: <a href="/wiki/Vertical_volute_spring_suspension" title="Vertical volute spring suspension">Vertical volute springs</a>; front <a href="/wiki/Leaf_spring" title="Leaf spring">leaf spring</a></td></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em">Fuel capacity</th><td class="infobox-data">60 US gal (230 L)</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em"><div style="line-height:1.25em">Operational<br />range</div></th><td class="infobox-data">150 mi (240 km)</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em"><style data-mw-deduplicate="TemplateStyles:r1038841319">.mw-parser-output .tooltip-dotted{border-bottom:1px dotted;cursor:help}</style><span class="rt-commentedText tooltip" title="Maximum speed of vehicle or missile">Maximum speed </span></th><td class="infobox-data">45 mph (72 km/h)</td></tr></tbody></table> <p>The <b>M21 mortar motor carriage</b> (MMC) was a <a href="/wiki/Self-propelled_artillery" title="Self-propelled artillery">self-propelled artillery</a> mount on a <a href="/wiki/Half-track" title="Half-track">half-track</a> chassis used by the <a href="/wiki/United_States_Army" title="United States Army">United States Army</a> during <a href="/wiki/World_War_II" title="World War II">World War II</a>. It was equipped with an 81 mm <a href="/wiki/M1_mortar" title="M1 mortar">M1 mortar</a> and an air-cooled <a href="/wiki/M2_Browning_machine_gun" class="mw-redirect" title="M2 Browning machine gun">M2 Browning machine gun</a>. It was produced by the <a href="/wiki/White_Motor_Company" title="White Motor Company">White Motor Company</a> in 1944. Only 110 examples were produced. </p><p>It mainly served on the <a href="/wiki/Western_Front_(World_War_II)#1944–45:_the_second_front" title="Western Front (World War II)">Western Front</a> in <a href="/wiki/Operation_Overlord" title="Operation Overlord">Normandy</a>, and <a href="/wiki/Operation_Dragoon" title="Operation Dragoon">Southern France</a>, and then later in the <a href="/wiki/Ardennes" title="Ardennes">Ardennes</a> during the <a href="/wiki/Battle_of_the_Bulge" title="Battle of the Bulge">Battle of the Bulge</a>. It was deemed to have been outclassed in 1945 when the 81 mm M1 mortar was found to have insufficient power to provide effective artillery support. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Development">Development</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=M21_mortar_carrier&action=edit&section=1" title="Edit section: Development"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The M4 was developed to meet the need for a specialized mortar carrier based on the <a href="/wiki/M2_half-track_car" title="M2 half-track car">M2 half-track car</a>, which the M21 soon replaced. The initial M4 was designed to carry a mortar. In emergencies, the mortar could be fired from the vehicle. The improved M4A1 had a reinforced floor so that the mortar could be fired from the vehicle, but the mounting faced to the rear and lacked traverse.<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> This caused problems when the troops who operated the mortar mounted the vehicle, so the <a href="/wiki/2nd_Armored_Division_(United_States)" title="2nd Armored Division (United States)">US 2nd Armored Division</a> relocated the mortars so that they could fire from the front.<sup id="cite_ref-Doyle289_2-0" class="reference"><a href="#cite_note-Doyle289-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p><p>The Ordnance Department followed suit and a new 81 mm MMC, the T19 MMC, was created, which was based on the larger <a href="/wiki/M3_half-track" title="M3 half-track">M3 half-track</a>.<sup id="cite_ref-Doyle289_2-1" class="reference"><a href="#cite_note-Doyle289-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> Developmental trials of the T19 were completed in July 1943, and the vehicle was later standardized as the M21 MMC.<sup id="cite_ref-Zaloga43_3-0" class="reference"><a href="#cite_note-Zaloga43-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> <sup id="cite_ref-Doyle289_2-2" class="reference"><a href="#cite_note-Doyle289-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><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> </p> <div class="mw-heading mw-heading2"><h2 id="Design">Design</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=M21_mortar_carrier&action=edit&section=2" title="Edit section: Design"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The M21 had a different layout from the early <a href="/wiki/M2_half-track_car#Self-propelled_guns" title="M2 half-track car">M4</a> and M4A1 MMC. The major difference was the location and direction of the mortar (the M4's mortar was rear-facing and was near the back, while the M21's mortar was front-facing and was closer to the front).<sup id="cite_ref-Doyle391_5-0" class="reference"><a href="#cite_note-Doyle391-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </p><p>The mortar was able to traverse 30° either side and elevate from 40° to 80°. If required, it could be de-mounted from the vehicle and fired from the ground. In addition, there was a pedestal mount at the rear for a .50 <a href="/wiki/Caliber" title="Caliber">cal</a> (12.7 mm) M2 heavy machine gun.<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> <div class="mw-heading mw-heading2"><h2 id="Specifications">Specifications</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=M21_mortar_carrier&action=edit&section=3" title="Edit section: Specifications"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The specifications for the M21 are similar to the specifications for its parent vehicle, the <a href="/wiki/M3_half-track" title="M3 half-track">M3 half-track</a>. The vehicle was 20 ft 9 in (6.32 m) long, 7 ft 3 in (2.22 m) wide, and 7 ft 5 in (2.26 m) high<sup id="cite_ref-Ness207_7-0" class="reference"><a href="#cite_note-Ness207-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> with a wheelbase of 135.5 in (3.44 m).<sup id="cite_ref-Berndt152_8-0" class="reference"><a href="#cite_note-Berndt152-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> The suspension for the front wheels were leaf springs and track's suspension used a <a href="/wiki/Vertical_volute_spring_suspension" title="Vertical volute spring suspension">vertical volute spring</a>. Powered by a White 160AX, 128 hp (95 kW), 386 in<sup>3</sup> (6,330 cc), 6-cylinder <a href="/wiki/Petrol_engine" title="Petrol engine">petrol engine</a> with a <a href="/wiki/Compression_ratio" title="Compression ratio">compression ratio</a> of 6.3:1, the M21 could reach up to 45 mph (72 km/h) on a road.<sup id="cite_ref-Norris_9-0" class="reference"><a href="#cite_note-Norris-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> The fuel capacity was 60 US gal (230 L) and the vehicle had a range of 150 mi (240 km). It had a <a href="/wiki/Power-to-weight_ratio" title="Power-to-weight ratio">power-to-weight ratio</a> of 15.8 hp/ton<sup id="cite_ref-Berndt152_8-1" class="reference"><a href="#cite_note-Berndt152-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Ness207_7-1" class="reference"><a href="#cite_note-Ness207-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> with the vehicle weighing nine tons.<sup id="cite_ref-Norris_9-1" class="reference"><a href="#cite_note-Norris-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Service_history">Service history</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=M21_mortar_carrier&action=edit&section=4" title="Edit section: Service history"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The M21 served on the Western Front, seeing action in <a href="/wiki/Operation_Overlord" title="Operation Overlord">Normandy</a> and in <a href="/wiki/Operation_Dragoon" title="Operation Dragoon">southern France</a>, before later being used during the <a href="/wiki/Battle_of_the_Bulge" title="Battle of the Bulge">Battle of the Bulge</a>, the <a href="/wiki/Battle_of_Belgium" class="mw-redirect" title="Battle of Belgium">Battle of Belgium</a>, <a href="/wiki/Operation_Market_Garden" title="Operation Market Garden">Operation Market Garden</a>, and the <a href="/wiki/Western_Allied_invasion_of_Germany" title="Western Allied invasion of Germany">invasion of Germany from the west</a>. The M21 served with the <a href="/wiki/Third_Army_(United_States)" class="mw-redirect" title="Third Army (United States)">US 3rd</a>, <a href="/wiki/1st_Army_(United_States)" class="mw-redirect" title="1st Army (United States)">1st</a>, and <a href="/wiki/Seventh_United_States_Army" title="Seventh United States Army">7th Armies</a> during the campaign in France, and the 2nd Armored Division, which developed it.<sup id="cite_ref-Doyle391_5-1" class="reference"><a href="#cite_note-Doyle391-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> In addition, 57 examples were leased to <a href="/wiki/Free_French" class="mw-redirect" title="Free French">Free French</a> forces. By 1945, it was declared obsolete, due to the insufficient power of the 81 mm mortar as an artillery piece.<sup id="cite_ref-Zaloga43_3-1" class="reference"><a href="#cite_note-Zaloga43-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </p><p>Standard US tank and armored infantry battalions had a mortar platoon equipped with either M21s or the older M4 MMCs.<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> The M21 was used mainly to illuminate targets at night or provide indirect fire support to the infantry. The usage was uncommon because the White Motor Company<sup id="cite_ref-Zaloga26_12-0" class="reference"><a href="#cite_note-Zaloga26-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> was only able to produce 110 M21s in 1944.<sup id="cite_ref-Ness193_13-0" class="reference"><a href="#cite_note-Ness193-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Berndt24_14-0" class="reference"><a href="#cite_note-Berndt24-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> </p><p>In 1955, the United States leased 23 M21s to the newly formed <a href="/wiki/Austrian_Armed_Forces" title="Austrian Armed Forces">Bundesheer</a> following the signing of the <a href="/wiki/Austrian_State_Treaty" title="Austrian State Treaty">Austrian State Treaty</a> that re-established Austria as a sovereign state. In 1968, all but one of the M21s were returned to the US Army. The remaining M21 was stored outside until 2003, after which it was restored to running condition and placed on display in the tank hall at the <a href="/wiki/Museum_of_Military_History,_Vienna" title="Museum of Military History, Vienna">Heeresgeschichtliches Museum</a>.<sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Operators">Operators</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=M21_mortar_carrier&action=edit&section=5" title="Edit section: Operators"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><span class="flagicon"><span class="mw-image-border" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/41/Flag_of_Austria.svg/23px-Flag_of_Austria.svg.png" decoding="async" width="23" height="15" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/41/Flag_of_Austria.svg/35px-Flag_of_Austria.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/41/Flag_of_Austria.svg/45px-Flag_of_Austria.svg.png 2x" data-file-width="900" data-file-height="600" /></span></span> </span><a href="/wiki/Austria" title="Austria">Austria</a></li> <li><span class="flagicon"><span class="mw-image-border" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c9/Flag_of_Free_France_%281940-1944%29.svg/23px-Flag_of_Free_France_%281940-1944%29.svg.png" decoding="async" width="23" height="15" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c9/Flag_of_Free_France_%281940-1944%29.svg/35px-Flag_of_Free_France_%281940-1944%29.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c9/Flag_of_Free_France_%281940-1944%29.svg/45px-Flag_of_Free_France_%281940-1944%29.svg.png 2x" data-file-width="512" data-file-height="341" /></span></span> </span><a href="/wiki/Free_France" title="Free France">Free France</a></li> <li><span class="flagicon"><span class="mw-image-border" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.svg/23px-Flag_of_the_United_States.svg.png" decoding="async" width="23" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.svg/35px-Flag_of_the_United_States.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.svg/46px-Flag_of_the_United_States.svg.png 2x" data-file-width="1235" data-file-height="650" /></span></span> </span><a href="/wiki/United_States" title="United States">United States</a></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=M21_mortar_carrier&action=edit&section=6" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/List_of_U.S._military_vehicles_by_model_number" class="mw-redirect" title="List of U.S. military vehicles by model number">List of U.S. military vehicles by model number</a></li> <li><a href="/wiki/List_of_U.S._military_vehicles_by_supply_catalog_designation" class="mw-redirect" title="List of U.S. military vehicles by supply catalog designation">List of U.S. military vehicles by supply catalog designation</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=M21_mortar_carrier&action=edit&section=7" 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=M21_mortar_carrier&action=edit&section=8" 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 reflist-columns references-column-width reflist-columns-2"> <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">Chamberlain & Ellis (1969), p. 188.</span> </li> <li id="cite_note-Doyle289-2"><span class="mw-cite-backlink">^ <a href="#cite_ref-Doyle289_2-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Doyle289_2-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-Doyle289_2-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text">Doyle (2003), p. 289</span> </li> <li id="cite_note-Zaloga43-3"><span class="mw-cite-backlink">^ <a href="#cite_ref-Zaloga43_3-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Zaloga43_3-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text">Zaloga (1994), p. 43.</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">Foss (1987), p. 419.</span> </li> <li id="cite_note-Doyle391-5"><span class="mw-cite-backlink">^ <a href="#cite_ref-Doyle391_5-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Doyle391_5-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text">Doyle (2003), p. 391</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">Chamberlain & Ellis (1969), p. 189.</span> </li> <li id="cite_note-Ness207-7"><span class="mw-cite-backlink">^ <a href="#cite_ref-Ness207_7-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Ness207_7-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text">Ness (2002), p. 207.</span> </li> <li id="cite_note-Berndt152-8"><span class="mw-cite-backlink">^ <a href="#cite_ref-Berndt152_8-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Berndt152_8-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text">Berndt (1993), p. 152.</span> </li> <li id="cite_note-Norris-9"><span class="mw-cite-backlink">^ <a href="#cite_ref-Norris_9-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Norris_9-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text">Norris (2012)</span> </li> <li id="cite_note-10"><span class="mw-cite-backlink"><b><a href="#cite_ref-10">^</a></b></span> <span class="reference-text">Hunnicutt (1992), p. 342.</span> </li> <li id="cite_note-11"><span class="mw-cite-backlink"><b><a href="#cite_ref-11">^</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 id="CITEREFKennedy" class="citation web cs1">Kennedy, Gary. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20150429112636/http://www.bayonetstrength.150m.com/UnitedStates/Armored/united_states_armored_infantry_battalion.htm">"Battalion Organisation during the Second World War"</a>. Archived from <a rel="nofollow" class="external text" href="http://www.bayonetstrength.150m.com/UnitedStates/Armored/united_states_armored_infantry_battalion.htm">the original</a> on 29 April 2015.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Battalion+Organisation+during+the+Second+World+War&rft.aulast=Kennedy&rft.aufirst=Gary&rft_id=http%3A%2F%2Fwww.bayonetstrength.150m.com%2FUnitedStates%2FArmored%2Funited_states_armored_infantry_battalion.htm&rfr_id=info%3Asid%2Fen.wikipedia.org%3AM21+mortar+carrier" class="Z3988"></span></span> </li> <li id="cite_note-Zaloga26-12"><span class="mw-cite-backlink"><b><a href="#cite_ref-Zaloga26_12-0">^</a></b></span> <span class="reference-text">Zaloga (2013), p. 26.</span> </li> <li id="cite_note-Ness193-13"><span class="mw-cite-backlink"><b><a href="#cite_ref-Ness193_13-0">^</a></b></span> <span class="reference-text">Ness (2002), p. 193.</span> </li> <li id="cite_note-Berndt24-14"><span class="mw-cite-backlink"><b><a href="#cite_ref-Berndt24_14-0">^</a></b></span> <span class="reference-text">Berndt (1994), p. 24.</span> </li> <li id="cite_note-15"><span class="mw-cite-backlink"><b><a href="#cite_ref-15">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMoran2022" class="citation audio-visual cs1">Moran, Nicholas (16 July 2022). <a rel="nofollow" class="external text" href="https://www.youtube.com/watch?v=hsfF9Lgdi3I"><i>Austrian Armour at the Heeresgeschichtliches Museum, Part 1</i></a>. The Chieftain<span class="reference-accessdate">. Retrieved <span class="nowrap">3 October</span> 2022</span> – via <a href="/wiki/YouTube" title="YouTube">YouTube</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Austrian+Armour+at+the+Heeresgeschichtliches+Museum%2C+Part+1&rft.pub=The+Chieftain&rft.date=2022-07-16&rft.aulast=Moran&rft.aufirst=Nicholas&rft_id=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DhsfF9Lgdi3I&rfr_id=info%3Asid%2Fen.wikipedia.org%3AM21+mortar+carrier" class="Z3988"></span></span> </li> </ol></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=M21_mortar_carrier&action=edit&section=9" 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="CITEREFBerndt1993" class="citation book cs1">Berndt, Thomas (1993). <i>Standard Catalog of U.S. Military Vehicles</i>. Iola, WI: Krause Publications. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-87341-223-0" title="Special:BookSources/0-87341-223-0"><bdi>0-87341-223-0</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Standard+Catalog+of+U.S.+Military+Vehicles&rft.place=Iola%2C+WI&rft.pub=Krause+Publications&rft.date=1993&rft.isbn=0-87341-223-0&rft.aulast=Berndt&rft.aufirst=Thomas&rfr_id=info%3Asid%2Fen.wikipedia.org%3AM21+mortar+carrier" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBerndt1994" class="citation book cs1">Berndt, Thomas (1994). <span class="id-lock-registration" title="Free registration required"><a rel="nofollow" class="external text" href="https://archive.org/details/americantanksofw0000bern"><i>American Tanks of World War II</i></a></span>. Osceola, WI: MBI Publishing Company. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-87938-930-3" title="Special:BookSources/0-87938-930-3"><bdi>0-87938-930-3</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=American+Tanks+of+World+War+II&rft.place=Osceola%2C+WI&rft.pub=MBI+Publishing+Company&rft.date=1994&rft.isbn=0-87938-930-3&rft.aulast=Berndt&rft.aufirst=Thomas&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Famericantanksofw0000bern&rfr_id=info%3Asid%2Fen.wikipedia.org%3AM21+mortar+carrier" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFChamberlainEllis1969" class="citation book cs1">Chamberlain, Peter; Ellis, Chris (1969). <i>British and American Tanks of World War II</i>. New York, NY: Arco Publishing. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-668-01867-8" title="Special:BookSources/978-0-668-01867-8"><bdi>978-0-668-01867-8</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=British+and+American+Tanks+of+World+War+II&rft.place=New+York%2C+NY&rft.pub=Arco+Publishing&rft.date=1969&rft.isbn=978-0-668-01867-8&rft.aulast=Chamberlain&rft.aufirst=Peter&rft.au=Ellis%2C+Chris&rfr_id=info%3Asid%2Fen.wikipedia.org%3AM21+mortar+carrier" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFDoyle2003" class="citation book cs1">Doyle, David (2003). <i>Standard Catalog of U.S. Military Vehicles</i> (2nd ed.). Iola, WI: Krause Publications. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-87349-508-X" title="Special:BookSources/0-87349-508-X"><bdi>0-87349-508-X</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Standard+Catalog+of+U.S.+Military+Vehicles&rft.place=Iola%2C+WI&rft.edition=2nd&rft.pub=Krause+Publications&rft.date=2003&rft.isbn=0-87349-508-X&rft.aulast=Doyle&rft.aufirst=David&rfr_id=info%3Asid%2Fen.wikipedia.org%3AM21+mortar+carrier" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFFoss1987" class="citation book cs1">Foss, Christopher F. (1987). <i>Jane's Armour and Artillery 1987–1988</i> (Eighth ed.). London: Jane's Yearbooks. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-7106-0849-7" title="Special:BookSources/0-7106-0849-7"><bdi>0-7106-0849-7</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Jane%27s+Armour+and+Artillery+1987%E2%80%931988&rft.place=London&rft.edition=Eighth&rft.pub=Jane%27s+Yearbooks&rft.date=1987&rft.isbn=0-7106-0849-7&rft.aulast=Foss&rft.aufirst=Christopher+F.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AM21+mortar+carrier" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFHunnicutt1992" class="citation book cs1"><a href="/wiki/R._P._Hunnicutt" title="R. P. Hunnicutt">Hunnicutt, R. P.</a> (1992). <i>A History of the American Light Tank: Stuart</i>. Navato, CA: Presidio Press. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-89141-462-2" title="Special:BookSources/0-89141-462-2"><bdi>0-89141-462-2</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=A+History+of+the+American+Light+Tank%3A+Stuart&rft.place=Navato%2C+CA&rft.pub=Presidio+Press&rft.date=1992&rft.isbn=0-89141-462-2&rft.aulast=Hunnicutt&rft.aufirst=R.+P.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AM21+mortar+carrier" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFNess2002" class="citation book cs1">Ness, Leland S. (2002). <i>World War II Tanks and Fighting Vehicles</i>. London, United Kingdom: HarperCollins. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-00-711228-9" title="Special:BookSources/0-00-711228-9"><bdi>0-00-711228-9</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=World+War+II+Tanks+and+Fighting+Vehicles&rft.place=London%2C+United+Kingdom&rft.pub=HarperCollins&rft.date=2002&rft.isbn=0-00-711228-9&rft.aulast=Ness&rft.aufirst=Leland+S.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AM21+mortar+carrier" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFNorris2012" class="citation book cs1">Norris, John (2012). <i>World War II Tanks and Trucks</i>. Gloucestershire, United Kingdom: The History Press. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-7524-9073-1" title="Special:BookSources/978-0-7524-9073-1"><bdi>978-0-7524-9073-1</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=World+War+II+Tanks+and+Trucks&rft.place=Gloucestershire%2C+United+Kingdom&rft.pub=The+History+Press&rft.date=2012&rft.isbn=978-0-7524-9073-1&rft.aulast=Norris&rft.aufirst=John&rfr_id=info%3Asid%2Fen.wikipedia.org%3AM21+mortar+carrier" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFZaloga1994" class="citation book cs1"><a href="/wiki/Steven_Zaloga" class="mw-redirect" title="Steven Zaloga">Zaloga, Steven J.</a> (1994). <i>M3 Infantry Half-Track 1940–1973</i>. Oxford, UK: Osprey Publishing. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/1-85532-467-9" title="Special:BookSources/1-85532-467-9"><bdi>1-85532-467-9</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=M3+Infantry+Half-Track+1940%E2%80%931973&rft.place=Oxford%2C+UK&rft.pub=Osprey+Publishing&rft.date=1994&rft.isbn=1-85532-467-9&rft.aulast=Zaloga&rft.aufirst=Steven+J.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AM21+mortar+carrier" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFZaloga2013" class="citation book cs1">Zaloga, Steven J. (2013). <i>US Armored Divisions: The European Theater of Operations, 1944–1945</i>. Oxford, UK: Osprey Publishing. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-1-4728-0000-8" title="Special:BookSources/978-1-4728-0000-8"><bdi>978-1-4728-0000-8</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=US+Armored+Divisions%3A+The+European+Theater+of+Operations%2C+1944%E2%80%931945&rft.place=Oxford%2C+UK&rft.pub=Osprey+Publishing&rft.date=2013&rft.isbn=978-1-4728-0000-8&rft.aulast=Zaloga&rft.aufirst=Steven+J.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AM21+mortar+carrier" class="Z3988"></span></li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output 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navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:WWIIAmericanAFVs" title="Template:WWIIAmericanAFVs"><abbr title="View this template" style="color:inherit">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:WWIIAmericanAFVs" title="Template talk:WWIIAmericanAFVs"><abbr title="Discuss this template" style="color:inherit">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:WWIIAmericanAFVs" title="Special:EditPage/Template:WWIIAmericanAFVs"><abbr title="Edit this template" style="color:inherit">e</abbr></a></li></ul></div><div id="American_armored_fighting_vehicles_of_World_War_II4962" style="font-size:114%;margin:0 4em">American <a href="/wiki/Armoured_fighting_vehicle" title="Armoured fighting vehicle">armored fighting vehicles</a> of <a href="/wiki/World_War_II" title="World War II">World War II</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;"><a href="/wiki/Tank" title="Tank">Tanks</a></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;;wide"><tbody><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;"><a href="/wiki/Light_tank" title="Light tank">Light</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/M1_combat_car" title="M1 combat car">M1 combat car</a></li> <li><a href="/wiki/M2_light_tank" title="M2 light tank">M2 light tank</a></li> <li><a href="/wiki/M3_Stuart" title="M3 Stuart">M3 Stuart</a></li> <li><a href="/wiki/M22_Locust" title="M22 Locust">M22 Locust</a></li> <li><a href="/wiki/M24_Chaffee" title="M24 Chaffee">M24 Chaffee</a></li> <li><a href="/wiki/Marmon%E2%80%93Herrington_CTLS" title="Marmon–Herrington CTLS">Marmon–Herrington CTLS</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;"><a href="/wiki/Medium_tank" title="Medium tank">Medium</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/M2_medium_tank" title="M2 medium tank">M2 medium tank</a></li> <li><a href="/wiki/M3_Lee" title="M3 Lee">M3 Lee</a></li> <li><a href="/wiki/M4_Sherman" title="M4 Sherman">M4 Sherman</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;"><a href="/wiki/Heavy_tank" title="Heavy tank">Heavy</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/M26_Pershing" title="M26 Pershing">M26 Pershing</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;"><a href="/wiki/Self-propelled_artillery" title="Self-propelled artillery">Self-propelled <br />artillery</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/T19_Howitzer_Motor_Carriage" title="T19 Howitzer Motor Carriage">T19 howitzer motor carriage</a></li> <li><a href="/wiki/T30_Howitzer_Motor_Carriage" title="T30 Howitzer Motor Carriage">T30 howitzer motor carriage</a></li> <li><a href="/wiki/T34_Calliope" title="T34 Calliope">T34 rocket launcher</a> (Calliope)</li> <li><a href="/wiki/M2_half-track_car#Self-propelled_guns" title="M2 half-track car">M4 mortar carrier</a></li> <li><a href="/wiki/M3_Gun_Motor_Carriage" title="M3 Gun Motor Carriage">M3 gun motor carriage</a></li> <li><a href="/wiki/M7_Priest" title="M7 Priest">M7 howitzer motor carriage</a> (Priest)</li> <li><a href="/wiki/Howitzer_Motor_Carriage_M8" title="Howitzer Motor Carriage M8">M8 howitzer motor carriage</a> (Scott)</li> <li><a href="/wiki/M12_Gun_Motor_Carriage" title="M12 Gun Motor Carriage">M12 gun motor carriage</a></li> <li><a class="mw-selflink selflink">M21 mortar motor carriage</a></li> <li><a href="/wiki/M40_Gun_Motor_Carriage" title="M40 Gun Motor Carriage">M40 gun motor carriage</a></li> <li><a href="/wiki/M43_Howitzer_Motor_Carriage" title="M43 Howitzer Motor Carriage">M43 howitzer motor carriage</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;"><a href="/wiki/Tank_destroyer" title="Tank destroyer">Tank destroyers</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="/wiki/T48_Gun_Motor_Carriage" title="T48 Gun Motor Carriage">T48 gun motor carriage</a></li> <li><a href="/wiki/M3_Gun_Motor_Carriage" title="M3 Gun Motor Carriage">M3 gun motor carriage</a></li> <li><a href="/wiki/M6_gun_motor_carriage" title="M6 gun motor carriage">M6 gun motor carriage</a></li> <li><a href="/wiki/M10_tank_destroyer" title="M10 tank destroyer">M10 3-inch gun motor carriage</a></li> <li><a href="/wiki/M18_Hellcat" title="M18 Hellcat">M18 gun motor carriage</a> (Hellcat)</li> <li><a href="/wiki/M36_tank_destroyer" title="M36 tank destroyer">M36 gun motor carriage</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;">Armored carriers</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/M2_half-track_car" title="M2 half-track car">M2 half-track car</a></li> <li><a href="/wiki/M3_half-track" title="M3 half-track">M3 half-track</a></li> <li><a href="/wiki/M5_half-track" title="M5 half-track">M5 half-track</a></li> <li><a href="/wiki/M9_half-track" title="M9 half-track">M9 half-track</a></li> <li><a href="/wiki/M32_tank_recovery_vehicle" title="M32 tank recovery vehicle">M32 tank recovery vehicle</a></li> <li><a href="/wiki/M39_armored_utility_vehicle" title="M39 armored utility vehicle">M39 armored utility vehicle</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;"><a href="/wiki/Amphibious_vehicle" title="Amphibious vehicle">Amphibious vehicles</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="/wiki/Landing_Vehicle_Tracked" title="Landing Vehicle Tracked">Landing Vehicle Tracked</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;"><a href="/wiki/Armored_car_(military)" title="Armored car (military)">Armored cars</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/M3_scout_car" title="M3 scout car">M3 scout car</a></li> <li><a href="/wiki/M8_Greyhound" title="M8 Greyhound">M8 light armored car</a></li> <li><a href="/wiki/M8_Greyhound#Variants" title="M8 Greyhound">M20 armored utility car</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;"><a href="/wiki/Self-propelled_anti-aircraft_weapon" title="Self-propelled anti-aircraft weapon">Self-propelled <br />anti-aircraft guns</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="/wiki/M13_Multiple_Gun_Motor_Carriage" title="M13 Multiple Gun Motor Carriage">M13/M14 multiple gun motor carriage</a></li> <li><a href="/wiki/M15_half-track" title="M15 half-track">M15 combination gun motor carriage</a></li> <li><a href="/wiki/M16_Multiple_Gun_Motor_Carriage" title="M16 Multiple Gun Motor Carriage">M16/M17 multiple gun motor carriage</a></li> <li><a href="/wiki/M19_Multiple_Gun_Motor_Carriage" title="M19 Multiple Gun Motor Carriage">M19 multiple gun motor carriage</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;">Experimental and <br />short production <br />run vehicles</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;;wide"><tbody><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;">Tanks</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/M6_heavy_tank" title="M6 heavy tank">M6 heavy tank</a></li> <li><a href="/wiki/M7_medium_tank" title="M7 medium tank">T7 light tank/M7 medium tank</a></li> <li><a href="/wiki/T14_heavy_tank" title="T14 heavy tank">T14 heavy tank</a></li> <li><a href="/wiki/T20_medium_tank" title="T20 medium tank">T20 medium tank</a></li> <li><a href="/wiki/T25_medium_tank" title="T25 medium tank">T25 medium tank</a></li> <li><a href="/wiki/T28_super-heavy_tank" title="T28 super-heavy tank">T28 super-heavy tank</a></li> <li><a href="/wiki/T29_heavy_tank" title="T29 heavy tank">T29 heavy tank</a></li> <li><a href="/wiki/T30_heavy_tank" title="T30 heavy tank">T30 heavy tank</a></li> <li><a href="/wiki/T32_heavy_tank" title="T32 heavy tank">T32 heavy tank</a></li> <li><a href="/wiki/T34_heavy_tank" title="T34 heavy tank">T34 heavy tank</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;">Self-propelled <br />artillery</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li>T24/<a href="/wiki/T40/M9_tank_destroyer" title="T40/M9 tank destroyer">T40/M9 tank destroyer</a></li> <li><a href="/wiki/T18_Howitzer_Motor_Carriage" title="T18 Howitzer Motor Carriage">T18 howitzer motor carriage</a></li> <li><a href="/wiki/M3_half-track#Anti-aircraft_variants" title="M3 half-track">T54/T59 gun motor carriage</a></li> <li><a href="/wiki/T55E1_gun_motor_carriage" title="T55E1 gun motor carriage">T55E1 gun motor carriage</a></li> <li><a href="/wiki/M115_howitzer#Self-propelling_mounts" title="M115 howitzer">8-inch howitzer motor carriage T84</a></li> <li><a href="/wiki/T92_Howitzer_Motor_Carriage" title="T92 Howitzer Motor Carriage">T92/T93 gun motor carriage</a></li> <li><a href="/wiki/M18_Hellcat#Variants" title="M18 Hellcat">T88 gun motor carriage</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;">Armoured cars</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/T17_Deerhound" title="T17 Deerhound">T17 Deerhound</a></li> <li><a href="/wiki/T18_Boarhound" title="T18 Boarhound">T18 Boarhound</a></li> <li><a href="/wiki/T27_armored_car" title="T27 armored car">T27 armored car</a></li> <li><a href="/wiki/M38_Wolfhound" title="M38 Wolfhound">M38 Wolfhound</a></li> <li><a href="/wiki/S1_scout_car" title="S1 scout car">S1 scout car</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;"><a href="/wiki/Lend-Lease" title="Lend-Lease">Lend-Lease</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="/wiki/Universal_Carrier#United_States_variants" title="Universal Carrier">T16 universal carrier</a></li> <li><a href="/wiki/T17E1_Staghound" title="T17E1 Staghound">T17E1 Staghound</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2" style="background-color:#DCDCDC;color:inherit;"><div><a href="/wiki/American_armored_fighting_vehicle_production_during_World_War_II" title="American armored fighting vehicle production during World War II">American armored fighting vehicle production during World War II</a></div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?useformat=desktop&type=1x1&usesul3=0" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=M21_mortar_carrier&oldid=1255546222">https://en.wikipedia.org/w/index.php?title=M21_mortar_carrier&oldid=1255546222</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" 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