VOLKEL AIR BASE, Netherlands -- Dutch air force Sgt. Martijn De Boer (left) and Cpl. Jordy Luske tow a 306th Tactical Fighter Training Squadron F-16 Fighting Falcon into a hangar here. The plane returned from a training flight with Lt. Col. David Stein, an Air Force exchange pilot, at the controls. The colonel, from the Arizona Air National Guard's 162nd Fighter Wing at Tucson, Ariz., is ending a three-year tour with the Dutch air force's 1st Fighter wing. The Dutch airmen are crew chiefs. (U.S. Air Force photo by Senior Master Sgt. Keith Reed)