Air Force Holds Joint Expeditionary Force Experiment 2006

NELLIS AFB, NV - APRIL 25: A United States Air Force F-22 Raptor takes off from Nellis Air Force Base while participating in the Joint Expeditionary Force Experiment 2006 (JEFX 06) April 25, 2006 in Las Vegas, Nevada. JEFX is a biannual test of new systems and technologies by every branch of the military in an attempt to speed their introduction into the modern battlefield. This year's tests involve about 1,400 personnel from the United States, Great Britain, Canada and Australia studying new technologies during mock combat over the Nevada desert and center on finding better ways to communicate critical information between armed forces. (Photo by Ethan Miller/Getty Images)