The US Army's model M-43 Field Jacket was a combat uniform manufactured in windproof cotton sateen cloth introduced in 1943 to replace a variety of other specialist uniforms and some inadequate garments, like the M1941 Field Jacket. It was used through the remainder of World War II and into the Korean War with modifications before being replaced by the OG-107 uniform beginning in 1952. The uniform was tested in Italy in 1943 by the 45th Infantry Division and the 3rd Infantry Division but some GIs (including Bill Mauldin) claim that non-combatant officers and enlisted personnel ...