U.S. Air Force Airman 1st Class Samuel Reilly, 23d Logistics Readiness Squadron vehicle maintenance technician, uses a grease gun on a street sweeper Aug. 10, 2015, at Moody Air Force Base, Ga. Reilly is a part of the multipurpose maintenance shop which performs general purpose, tactical, construction and aircraft maintenance support type vehicles. (U.S. Air Force photo by Airman 1st Class Greg Nash/Released)