President Donald Trump addresses armed forces members at Joint Base Andrews, Md., Sept. 15, 2017. During his speech, Trump reflected on the air and space power he witnessed and the Airmen that are essential to our nation’s success. The day also marked the president’s first official visit to JBA, which consisted of highlights of the Air Force’s advanced capabilities to gain and maintain air superiority. (U.S. Air Force photo by Senior Airman Delano Scott)