Rare Soviet Supersonic Myasishchev M-50 Bounder Bomber Cold War History Soviet Union Leave a Comment on Rare Soviet Supersonic Myasishchev M-50 Bounder The Myasishchev M-50 ‘Bounder’ was a rare Soviet Air Force four-jet engine supersonic strategic bomber prototype conceived to strike against the Americans in case the Cold War escalated. (Visited 6 times, 1 visits today)