Senior Airman Clarissa Banks, a 340th Aircraft Maintenance Unit crew chief, controls the movement of a KC-135 Stratotanker prior to takeoff on Al Udeid Air Base, Qatar, April 8, 2015. Al Udeid is a strategic coalition air base in Qatar that supports over 90 combat and support aircraft and houses more than 5,000 military personnel. (U.S. Air Force photo/Senior Airman James Richardson)