Davis-Monthan Air Force Base --   U.S. Air Force Chief Master Sergeant Steve McDonald, Air Combat Command command chief, speaks to Desert Lightning Team Airmen during breakfast at the Desert Inn Dining facility at Davis-Monthan Air Force Base, Ariz., March 4, 2016. McDonald is the enlisted advisor to the commander and staff for the enlisted force stationed at 34 wings, 19 bases and at more than 70 operating locations around the world. (U.S. Air Force photo by Airman 1st Class Mya M. Crosby/ Released)