In the 1960s, a bomber appeared and became the fastest strategic bomber in the world. Although only two were produced in total, his record has not been broken to date. Considering the cost at the time, it even surpassed the aircraft carrier. Which plane is this? This is the American XB-70 Valkyrie supersonic strategic bomber. It… Continue reading World’s fastest strategic bomber, only two in the world, and the cost is 3 times that aircraft carriers