The Air Force delayed its hypersonic missile program by up to a year after "recent flight test anomalies" pushed back the schedule for the weapon's completion, according to a statement from the Air Force.
원문출처 : https://www.cnn.com/2022/04/07/politics/air-force-hypersonic-missile-program-delay/index.html
원문출처 : https://www.cnn.com/2022/04/07/politics/air-force-hypersonic-missile-program-delay/index.html