Mr. Reed T. Kimzey talks to a crew chief (not shown) of the Russian AN-2 Colt (background), after a simulated ground attack mission against various air defense targets on Dona Ana Range, Fort Bliss, El Paso, Texas. Members of Optec Threat Support Activity at Biggs Army Airfield, in support of ROVING SANDS 97 operate the Russian aircraft. 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