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Air Force testing prototype shelters for B-21 Raider
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The first flight of the B-21 Raider, pictured in an Air Force rendering, is expected sometime in 2022, with the aircraft eventually replacing the B-1, B-2 and B-52 bombers. Photo Illustration courtesy Northrop Grumman/U.S. Air Force
Construction of a B-21 Raider Environmental Protection Shelter prototype is completed at Ellsworth Air Force Base, S.D., on Feb. 26. Photo by Quentin Marx/U.S. Air Force
March 4 (UPI) Air Force Global Strike Command and the B-21 Program Office are testing various prototype shelters to identify the most effective and affordable designs for the B-21 Raider, the Air Force announced this week.