The BT-5 was the second tank in the Soviet BT series of tanks. The BT-5 improved on the previous BT-2, such as a new turret fitted with a 45 mm anti-tank gun that was also used on the T-26 and the BT-
A surviving BT-5 at the Breakthrough of the Siege of Leningrad Museum
The Battles of Khalkhin Gol, known in Japan as the Nomonhan Incident after Nomonhan Burd Obo, were the decisive engagements of the undeclared Soviet–Japanese border conflicts which involved the Soviet
Japanese infantrymen near wrecked Soviet armored vehicles, July 1939
Mongolian cavalry in the Khalkhin Gol (1939)
Mongolian troops fight against a Japanese counterattack on the western beach of the river Khalkhin Gol, 1939
Japanese soldiers cross the Khalkhin Gol