U.S. Air Force Chief Master Sgt. Shelina Frey, center, Air Mobility Command command chief, Scott Air Force Base Ill., pushes a pallet inside a C-17 Globemaster III during her tour of the 60th Aerial Port Squadron at Travis Air Force Base, Calif., Feb. 8, 2017. Frey is on a five-day tour to Travis visiting with Airmen, observing operations and recognizing the newest chief master sergeants. (U.S. Air Force photo/Louis Briscese)