
Taxi tests of the Northrop Grumman [NOC] B-21 Raider stealth bomber are underway near Plant 42 in Palmdale, Calif., as the aircraft prepares for first flight. The Air Force issued a short statement this week that "the B-21 is conducting ground taxi activities." "Rigorous testing is a critical step in the B-21 flight test program," the service said. "Extensive testing evaluates systems, components, and functionalities. This testing allows us to mitigate risks, optimize design, and enhance operational effectiveness." This week,…