US Air Force graphic courtesy of Burns & McDonnell Air Force and Army Corps of Engineers officials held a virtual industry day to discuss projects related to the bed-down of the future B-21, including construction of a hangar for the new stealth bomber. The arrival of the B-21 is still years away, and the Air Force has said about it, but the service has already said the first B-21 base would be at Ellsworth Air Force Base in South Dakota. The US Air Force held a virtual B-21 Long Range Strike Bomber industry day this week to discuss construction projects to house the new stealth bomber, known as the Raider, according to a release.