The US Air Force carried out a successful test of its troubled hypersonic missile over the weekend, one month after announcing the program had suffered delays because of "recent flight test anomalies."
원문출처 : https://www.cnn.com/2022/05/16/politics/us-air-force-hypersonic-missile-test/index.html
원문출처 : https://www.cnn.com/2022/05/16/politics/us-air-force-hypersonic-missile-test/index.html