Mezue ahịrịokwu na-esonụ: R-1 na R-2 bụ ndị Soviet Air Forces jiri mee ihe n'ụzọ dị ukwuu site na 1920s dị ka ụgbọ elu bọmbụ ọkụ ya na ụgbọ elu nyocha ya. Ndị Soviet tinyere ha na nkwado nke ndị agha Kuomintang nke China na Northern Expedition megide ndị agha agha na 1926-1927, na megide ndị agha China maka
njikwa nke Chinese Eastern Railway na Manchuria na 1929. A na-ejikwa R-1s na R-2s na-akwado ọrụ n'oge Basmachi Revolt na Central Asia.