As the first flight of the B-21 Raider bomber draws closer, Gen. Timothy M. Ray, head of Air Force Global Strike Command, toured Northrop Grumman’s production facility and the test enterprise that will put the jet through its paces beginning next year.
The United States is on a crash course to field prototype hypersonic weapons within three years, with more elaborate and mature systems to follow soon after. Flight tests will ramp up quickly this year, with follow-on tests as frequently as every six weeks over the ...