(FORT BENNING, GA) - The M2 was developed in 1932 as a joint effort by the Army as a heavy barrel ground gun and the Navy as a water cooled anti-aircraft gun. The light weight version developed for aircraft and also used on PT Boats were developed in the late 1930. All three versions were used during World War II by the United States and its Allies. The M2 Heavy Barrel and M2 Aircraft have seen continued service into the 21st century. (Photo by: Patrick A. Albright/MCoE PAO Photographer)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., .50, albright, benning, caliber, fort, gun, m2, machine, patrick