Tanker Crew Chiefs
141206-Z-VA676-032 – Working inside the aircraft’s fuselage, Airman 1st Class Mike Fontana, 191st Maintenance Squadron, prepares to lubricate the metal rod that raises and lowers the boom on a KC-135 Stratotanker at Selfridge Air National Guard Base, Mich., Dec. 6, 2014. Fontana has been working as a crew chief at Selfridge for about a year. (U.S. Air National Guard photo by Tech. Sgt. Dan Heaton)