Crew chiefs from the 75th Expeditionary Fighter Squadron conduct pre-flight checks on an A-10C Thunderbolt II before take-off from Kandahar Airfield, Afghanistan, Aug. 2, 2018. The Airmen, from Moody Air Force Base, Georgia, are deployed in support of Operation Freedom's Sentinel by providing close-air support to Afghan forces and other coalition partners. (U.S. Air Force photo by Staff Sgt. Kristin High)