Nahom: ‘In a Very Perfect World We’ll Get to 220 Bombers’ April 16, 2020 | By John A. Tirpak The Air Force expects that the 17 B-1B bombers it's asked to retire will be the last until the type "shakes hands" with its replacement, the B-21, early in the 2030s, Lt. Gen. David Nahom, USAF's top planner, said April 16. The B-1 will get ...