The Raduga Kh or RKV is a Russian hypersonic aero-ballistic missile. The Tupolev TuM is a supersonic, variable-sweep wing, long-range strategic and maritime strike bomber developed by the Tupolev Design Bureau. According to some sources, the bomber was believed to be designated Tu at one time. During the Cold War, the TuM was operated by the Soviet Air Forces .. " Soviet AF wanted Tupolev prosecuted over Blackjack". The Kh is a Soviet/Russian subsonic air-launched cruise missile, designed.