Air Force awards B-21 Raider advance procurement to support acquisition of long lead items for production
Advance procurement funds will directly support the acquisition of long lead items necessary to build the first lot of production B-21 aircraft.
https://www.af.mil/News/Article-Display/Article/2991747/air-force-awards-b-21-raider-advance-procurement-to-support-acquisition-of-long/ DoD News