USAF completes critical design review of B-21 stealth bomber

The US Air Force has completed its critical design review of the Northrop Grumman B-21 Raider, marking another milestone in development of the next-generation stealth bomber. The technical review, completed on 30 November, ensured the proposed aircraft has a stable and mature design before the USAF moves the programme into manufacturing and flight testing. (www.flightglobal.com) さらに...