3in M1918 anti-aircraft gun on a trailer, in traveling position, as seen in US Army publication US Army anti-aircraft gun crew manning their 3-inch M3 AA gun at New Fighter Strip, Dobodura, New Guinea, 17 May 1943
3in M1918 anti-aircraft gun on a trailer, in traveling position, as seen in US Army publication 'Handbook of artillery: including mobile, anti-aircraft and trench matériel (1920)'US Army anti-aircraft gun crew manning their 3-inch M3 AA gun at New Fighter Strip, Dobodura, New Guinea, 17 May 1943
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