Farewell, Bones: Air Force finishes latest round of B-1B bomber retirements

https://www.airforcetimes.com/news/your-air-force/2021/09/24/farewell-bones-air-force-finishes-latest-round-of-b-1b-bomber-retirements/

Retiring B-1B and B-2 bombers will make way for the new B-21 Raider over the next two decades.

https://peterholland765.wordpress.com/2021/09/27/farewell-bones-air-force-finishes-latest-round-of-b-1b-bomber-retirements/