The Air Force, which once argued a need for a maximum of 100 new bombers, has formally inverted its B-21 requirement, adopting 100 aircraft as the “minimum” number of state-of-the-art, long-range strike bombers the service now needs -- a move that could set the stage to grow the $80 billion, Northrop Grumman-led project. The Air Force -- which launched the B-21 program in 2015 as the Pentagon wrestled with rounds of fiscal belt tightening stemming from the 2011 Budget Control...
