联合发射联盟的Vulcan Centaur火箭完成第二次试验飞行,在到达轨道时发生助推器故障。 United Launch Alliance's Vulcan Centaur rocket completes 2nd test flight, reaching orbit with a booster malfunction.

2024年10月4日,联合发射联盟Vulcan Centaur号Vulcan Centaur火箭于2024年10月4日完成第二次试飞,尽管一枚固体火箭助推器失去喷管,发生故障,但进入轨道。 On October 4, 2024, United Launch Alliance's Vulcan Centaur rocket completed its second test flight, reaching orbit despite a malfunction involving one solid rocket booster losing a nozzle. 这一问题拖延了发射期间的关键事件,但并未阻止火箭实现其飞行任务目标。 This issue delayed key events during launch but did not prevent the rocket from achieving its mission objectives. ULA正在调查反常现象,因为它寻求美国航天部队未来国家安全任务认证,在该方案中投资了大约70亿美元。 ULA is investigating the anomaly as it seeks certification for future national security missions with the U.S. Space Force, having invested about $7 billion in the program.