KC-135 getting tow bar hooked up
Master Sgt. Robert Ahern, a 137th Air Refueling Wing crew chief, left, and Airman 1st Class Mykal Short, a 507th Air Refueling Wing ISO Dock crew chief, hook up a tow bar and make sure the sheer pin is installed to be able to tow a KC-135 Stratotanker to the trim pad for engine runs. The 137th ARW, an Oklahoma Air National Guard unit, is a partner unit with the 507th ARW. The Airmen of both units work side-by-side to ensure the planes are well-maintained for mission capability. (Air Force photo by Kelly White)