US step closer to developing hypersonic missile that travels at five times the speed of sound

Officials confirmed that the United States is competing in the development of hypersonic rockets capable of five times the speed of sound. Heather Wilson, secretary of the United States Air Force. He said that he is making efforts to keep up with other countries, such as Russia and China, speaking at the Center for Strategic… Read more US step closer to developing hypersonic missile that travels at five times the speed of sound