B-21 Stealth Bomber Update: U.S. Air Force Declares Unrivaled Global CapabilityAir Force leaders gave an update on the B-21 Raider, a futuristic aircraft that is expected to become the United States’ next nuclear stealth bomber. The aircraft can deliver both “conventional and nuclear munitions,” according to a news release from the Air Force, but will be “critical to deterring conflict” around the world. Gen. Thomas Bussiere, commander of the Air Force Global Strike Command, said the stealth bomber will help the United States keep pace with threats worldwide.