Second B-21 Raider nuclear bomber makes maiden flight The US Air Force's second B-21 Raider nuclear bomber has taken to the skies for the first time. The second of a planned fleet of 100, the sixth-gen aircraft took off from Northrop Grumman's Palmdale, California facility on September 11 at 8:00 am. newatlas.com newatlas.com / feeds newatlas-com-military .. newatlas-com .. newatlas-com-technology / / #technology / / 24 days 24d Share