Krunal Rathod 121 2196 days ago US Air Force grounds B-1 bomber fleet over safety concerns CNNAir Force grounds B-1B bombers over ejection seat problem Business InsiderUS nuclear-capable bombers fly training mission near Russia Fox NewsWhy The Pentagon Must Have The B-21 Bomber Soon, And Shouldn't Let Other Programs Slow Its Pace ForbesThe Air Force has picked the first base to get its new, advanced B-21 Raider bomber Business InsiderView full coverage on Google News