Secretary of the Air Force Barbara Barrett and Senior Airman Zachary Twieg, 90th Missile Maintenance Squadron technician, ride down into U-01 Launch Facility, at F.E. Warren Air Force Base, Wyo., on Oct. 27, 2019. The U-01 launch facility is a training facility used to instruct Airmen on how to do proper missile maintenance. (U.S. Air Force photo by Staff Sgt. Ashley N. Sokolov)