U.S. Air Force Senior Airman German Rubio-Arroyo, an aerospace ground equipment journeyman with the 39th Maintenance Squadron, refuels a C-17 Globemaster III cargo aircraft during a wing exercise June 27, 2014, at Incirlik Air Base, Turkey. The exercise involved a variety of scenarios requiring responses and actions from a various base agencies to include the security forces, civil engineer and maintenance squadrons.