Brig. Gen. Michael Boera, the Commanding General, Combined Air Power Transition Force, NATO Training Mission-Afghanistan/Combined Security Transition Command-Afghanistan, and Commander, 438th Air Expeditionary Wing and Maj. Gen. Mohammed Darwan, Afghan Air Force commander, tour the Afghan Air Force Thunder Lab, an English immersion program designed to improve the English, aviation and professional skills of Afghan Air Force officers awaiting pilot training on July 8, 2010. (U.S. Air Force photo by Capt. Rob Leese/RELEASED)