A-10s return to Europe for Exercise Combined Resolve II
U.S. Air Force Airman 1st Class Natalya Brechlin, 124th Aircraft Maintenance Squadron crew chief from Boise, Idaho, checks the oil of a U.S. Air Force A-10 Thunderbolt II attack aircraft on the flightline at Spangdahlem Air Base, Germany, May 16, 2014. Airmen check oil after every flight to maintain the proper level and cleanliness of fluids inside the engine. (U.S. Air Force photo by Senior Airman Gustavo Castillo/Released)