Sergeant Al Wilson, a computer operator assigned to the 225th Combat Communications Squadron, Martin Air National Guard Station, Gadson, Alabama, covers his unit&#x27;s supply storage tent with a waterproof layer of plastic. The 225th arrived today at Logan Heights in El Paso, Texas. When operational, the unit will provide communications links for FORSCOM (Forces Command) during ROVING SANDS &#x27;97. 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