Secretary of the Air Force Barbara Barrett arrives at the 153d Airlift Wing, Wyoming Air National Guard Base, Cheyenne, Wyo., Oct. 27, 2019. This visit marks Barrett's first official stop since becoming the 25th Secretary of the Air Force. During her visit, Barrett toured F.E. Warren Air Force Base to emphasize the importance of the 90th Missile Wing’s mission. (U.S. Air National Guard photo by Staff Sgt. Jon Alderman)