Soviet AA Self-propelled gun 61-K
The antiaircraft gun 37mm was accepted on the arms of the Red Army 1939 and has received an index "61-K". To the beginning of the Great Patriotic there were totally 1258 units of the gun "61-K" in the Red Army. Within the Great Patriotic War this gun was the most mass antiaircraft gun in the Red Army and widely applied on all fronts. In total it was made more than 17000 units of the "61-K" antiaircraft guns.