ALTUS AIR FORCE BASE, Okla. – The KC-135 Stratotanker training building is dark besides room OFT-12, where French air force Capt. Aurélien Leray studies alongside U.S. Air Force Maj. Kris Person on flying the KC-135 Nov. 8, 2013. The pilots began their training at 2:30 a.m. to prepare for an upcoming simulator flight. (U.S. Air Force photo by Senior Airman Levin Boland/Released)