Master Sgt. Jeremy Davis (center), 315th Aircraft Maintenance Squadron production superintendant, looks at a damaged spark plug that was removed from the engine of a C-17 Globemaster III yesterday during maintenance checks with Tech. Sgt. Eric Overkamp (left) and Senior Airman Andrew Robinson (right). The 315th AMXS provided maintenance support along with other 315th MXG members yesterday while the 437th Maintenance Group took part in the active duty’s wingman day activities. (U.S. Air Force photo by Staff Sgt. Rashard Coaxum)