These F-15 Eagles of the 2nd Fighter Squadron, Tyndall AFB, Florida, are undergoing a preflight inspection prior to a ROVING SANDS '97 mission at Kirtland AFB, New Mexico. ROVING SANDS is a multinational effort and is the largest military exercise on United States soil that allows training in a joint environment to hone command and control procedures and integrate new systems in Theater and Air Missile Defense