Nocturnal workers
Staff Sgt. Chad Arrowsmith inspects the aircraft wheel and tire ensemble of a KC-135 Stratotanker with a flashlight for higher visibility during the night May 29 in Southwest Asia. Nightshift workers take advantage of the lower temperatures and humidity. Sergeant Arrowsmith is a a KC-135 crew chief deployed from Grand Forks Air Force Base, N.D. (U.S. Air Force photo/Senior Airman Domonique Simmons)