B-21 Raider Passes First Loads Calibration Test

Aerodefensetech.com reported 6-3-22 that in early May, Northrop Grumman successfully completed the first — and most critical — loads calibration test of the first B-21 aircraft. The recent test is one of three major conditions the aircraft will undergo in this phase of ground testing as it progresses toward first flight. Loads calibration, which focuses on calibrating instrumentation prior to flight and verifying structural integrity, has yielded positive and consistent results. During testing, the B-21’s...