366th Training Squadron mobile showers
Tech. Sgt. Paul Knowles, 366th Training Squadron water and fuels systems maintenance apprentice instructor explains to his class how to assemble mobile shower-shave units at Sheppard Air Force Base, Texas, Dec. 1, 2017. Mobile shower-shave units are used during emergencies, natural disasters and in deployed locations. (U.S. Air Force photo by Alan R. Quevy)