Secretary of the Air Force Michael Donley greets Airman 1st Class Isaiah Preece and Airman 1st Class Brittany Fenn, both with the 90th Missile Security Forces Squadron, at a missile alert facility Dec. 23, 2010, during a visit to F. E. Warren Air Force Base, Wyo. While there, Secretary Donley walked through workplaces at 20th Air Force headquarters, 90th Missile Wing maintenance facilities and a missile alert facility to offer his appreciation to Warren Airmen in person for a mission that he has said before demands “the highest standards of performance and accountability.” During his trip, he also had the opportunity to talk with and thank Airmen serving on duty. (U.S. Air Force photo/Staff Sgt. Chad Thompson)