 The R-1 and R-2 were heavily used by the Soviet Air Forces through the 1920s as its standard light bomber and reconnaissance aircraft.The Soviets deployed them in support of the Chinese Kuomintang forces in the Northern Expedition against warlords in 1926–27, and against Chinese forces for control of the Chinese Eastern Railway in Manchuria in 1929.R-1s and R-2s were also used in support of operations during the Basmachi Revolt in central Asia.