National Space Defense Center
                David Norquist, deputy secretary of defense, front right, and Secretary of the Air Force Barbara Barrett, center, toured the National Space Defense Center and the 1st Space Operations Squadron at Schriever Air Force Base, Colo., Nov. 1, 2019. They conducted a table-top exercise which highlighted the fact that space has become a warfighting domain. (Courtesy photo by Schriever Air Force Base Public Affairs)
                
                    
                        PHOTO BY:
                        Schriever Air Force Base Public Affairs
                    
                    
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