It was originally situated in Moscow in the Soviet Union, but was evacuated in 1941.

[2] The Bureau returned to Moscow and became independent on 5 July 1947 and was renamed "OKB-20" .

The bureau absorbed OKB-29 in 1963 and in 1966 was renamed Mashinostoitel'noe KB (MKB).

[3] In soviet times, some engineers from OMKB and OMO Baranov Polyot left to Zaporozhe Ivchenko Progress (Motor Sich) to manufacture helicopter engine turboshafts, turboprops, turbojets, turbofans and gas turbines.

Due to forced soviet decentralization and partly due to medal achievements, engine dimensions and related rewarding, larger aircraft engines where endorsed (rather than smaller turbojets, turbofans, turboprops or helicopter turboshafts).