071214-F-0108B-001 MISAWA AIR BASE, Japan -- Airman 1st Class Jonathan Mendez, 35th Maintenance Squadron, tightens nuts and bolts on an F-16 jet engine. Airman Mendez is a crew chief for the propulsion flight, known as the Queen Bee, and fixes F-16 engines for Misawa, Osan and Kunsan Air Base. (U.S. Air Force photo by Senior Airman Robert Barnett)