Secretary of the Air Force Barbara M. Barrett delivers remarks during her farewell ceremony at Joint Base Anacostia-Bolling, Washington, D.C., Jan. 14, 2021. As the 25th Secretary of the Air Force, Barrett was responsible for the welfare of more than 697,000 active duty, Guard, Reserve, and civilian Airmen and Guardians and their families.(U.S. Air Force photo by Eric Dietrich)