A crew chief signals the pilot of an F-15C Eagle he's cleared to taxi for take-off prior to a training mission Feb. 23, 2010, at Kadena Air Base, Japan. Kadena Airmen were participating in joint bilateral training with other U.S. forces and the Japan Air Self Defense Force from Feb. 22 to 26. (U.S. Air Force photo/Tech. Sgt. Rey Ramon)