U.S. Air Force Lt Col. Jerry Selig, 340th Expeditionary Air Refueling Squadron KC-135 Stratotanker pilot, checks gauges during an air refueling mission over Afghanistan Sept. 4, 2013. Selig is deployed from the 756th Air Refueling Squadron, at Andrews Air Force Base in support of Operation Enduring Freedom. (U.S. Air Force photo by SSgt Stephany Richards)