Today in WW II: 3 Nov 1942 End of the Second Battle of El Alamein, Egypt between British Commonwealth forces and Gen. Erwin Rommel's German Afrika Korps.  More 
3 Nov 1942 US Army and Marine Corps fight in Koli Point action on Guadalcanal [Nov 3-12].
3 Nov 1943 US 8th Air Force stages 500 bomber raid that heavily damages Wilhelmshafen harbor, Germany.
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M-21 Halftrack Mortar Carrier

The M-21 Halftrack Mortar Carrier was an upgrade to the M-4 Mortar Carrier Halftrack that replaced the M2 Halftrack with the M3 Halftrack as the base vehicle. The main innovation was to have the mortar face forward making it even easier to move to a new position and fire immediately.

Production of the M21 Halftrack Mortar Carrier by White Motor Company started in January 1944 with a total of 110 vehicles produced before production was halted in March 1944.

T19 prototype of the M21 Halftrack Mortar Carrier, an upgrade and replacement for the M4 and M4A1 Halftrack Mortar Carrier
T19 prototype of the M21 Halftrack Mortar Carrier, an upgrade and replacement for the M4 and M4A1 Halftrack Mortar Carrier..

Overhead view of the M21 Halftrack Mortar Carrier with the front facing mortar and its ammunition
Overhead view of the M21 Halftrack Mortar Carrier with the front facing mortar and its ammunition.

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