A picture of a 57mm anti-tank gun on the battlefieldA picture of a 57mm anti-tank gun on the battlefield
An army of soldiers is running with tanks across the fieldAn army of soldiers is running with tanks across the field
Retro aircraft po-2 created under the leadership of n. n. polikarpov in 1928Retro aircraft po-2 created under the leadership of N. N. Polikarpov in 1928