A B-21 Raider conducts ground testing, taxiing and flying operations at Edwards Air Force Base, Calif., where it continues to make progress toward becoming the backbone of the U.S. Air Force bomber fleet. The B-21 will possess the range, access and payload to penetrate the most highly-contested threat environments and hold any target around the globe at risk. The B-21 program is on track to deliver aircraft in the mid-2020s to Ellsworth AFB, South Dakota, which will be the first B-21 main operating base and location for the B-21 formal training unit. (Courtesy photo) 
                
                    
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