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37 mm (1.46 in) Model 1939 Anti-Aircraft Gun

Shown here is a Soviet 37 mm (1.46 in) Model 1939 anti-aircraft gun mounted on the roof of the lenin Memorial Library near the Kremlin, Moscow during an alert in early March 1942.

37 mm (1.46 in) Model 1939 Anti-Aircraft Gun
Administrator, Mar 24, 2006