XB-70 Valkyrie The Most Advanced Bomber that Failed

The XB-70 Valkyrie was a supersonic strategic bomber developed by North American Aviation for the United States Air Force in the 1950s. The aircraft was designed to fly at Mach 3+ and carry nuclear weapons. The XB-70 program was cancelled in 1961 after the aircraft's cost tripled and it became clear that the Soviet Union was developing similar technology. Despite its cancellation, the XB-70 remains one of the most advanced bombers ever developed. It is capable of flying at altitudes of up to 70,000 feet (21,000 m) and speeds of Mach 3+. 

The aircraft is also equipped with an advanced avionics suite and has a range of over 5,000 miles (8,000 km). The XB-70 Valkyrie was designed to be the most advanced bomber, It was equipped with cutting-edge technology and features that made it the most powerful and sophisticated bomber of its time. Unfortunately, the Valkyrie failed to live up to its potential and was ultimately scrapped.

Video Source : Defence News