完蛋！
美国全新的B-21 隐身轰炸机于今日首飞过程中坠毁，2名飞行员弹射逃生！

http://t.cn/A6NPlGeE
美国空军证实了B21坠毁，但是依旧表示并不是失败，因为本次坠毁证明了B-21的弹射系统的可靠性和飞机紧急逃生的安全性。

On March 31st, 2023 A prototype B-21 Raider Bomer, assigned to the 420th flight test squadron, Edward Air Force Base (AFB), California, crash minutes after takeoff during its maiden flight. Both test pilots safely eject and under stable conditions. It was not a failure first flight test because it successfully demonstrated aircraft ejecting system to ensure pilot safety under dangerous conditions. The Air Force and Northrop Grumman is investigating the cause of the crash, detail will be provided when it is completed and available.