Developed by the design office OKB-23, headed by V.M. Myasischev in 1960 and concerned a tailless aircraft. Only some models were developed.
The entire program was terminated when the OKB-23 merged with the OKB-52, headed by V.A. Tchelomey.
6 afterburning engines, can carry up to FAB-5000 size bombs, or two Kh-22 missiles.
Service ceiling: 18km
Range: 10,000km
Maximum speed: 2000km/h
Jobs: Airstrike, flight testing