The World War 2 photos: Loading ammunition for 12.7-mm UBT machine gun from the Russian shooter-radio operator of the Soviet Ilyushin Il-4 torpedo-bomber from 24th MTAP (Mine Torpedo Regiment) of the Red Army Air Force. Eastern Front.
Location: USSR
Author: Evgeni Khaldei
UBT machine gun (Universal Berezina) is the 12.7-mm aircraft machine gun by Soviet gunsmith M.E. Berezin. It was produced for needs of the Red Army Air Force at the Kovrov Armory (an experimental batch of products), the Tula Arms and Izhevsk Machine-Building Plants in the 1940s.