M2 4.2-inch mortar
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The M2 4.2-inch mortar was a U.S. rifled 4.2-inch mortar used during the Second World War, the Korean War, and the Vietnam War. It entered service in 1943. It was nicknamed the "Goon Gun" or the "Four
M2 4.2-inch mortars in action on Utah Beach, 1944
A crew of an M2 mortar fires on North Korean positions in 1953
A 4.2-inch mortar in Korea, 1952.
107mm M1938 mortar
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The Soviet 107mm M1938 mortar was a scaled-down version of the 120mm M1938 mortar intended for use by mountain troops and light enough to be towed by animals on a cart.
M2 4.2-inch mortar
…ML 4.2-inch mortar – British mortar. 107mm M1938 mortar – Soviet mortar. Infantry Weapons of the KOREAN WAR Mortars: 4.2-inch M2 Mortar…
107mm mortar M1938 in White Eagle Museum