Posted 7/7/2006KC-10 Extenders and C-17 Globemaster IIIs from McGuire Air Force Base, N.J., taxi down the flightline during the emergency response exercise Elephant Walk. This is the first time C-17s and KC-10s have been paired in an exercise. Sixteen aircraft launched from McGuire on Friday, June 30, as part of the exercise. (U.S. Air Force photo/Brian Dyjak)