Tech. Sgt. Wendee Marshall observes Scott Thomas (sitting) and Quintin Quinn as they build a tool to share data among nations during the Combined Endeavor 2007 exercise held in Baumholder, Germany. Combined Endeavor is the largest security cooperation and communications and information systems military exercise in the world, with more than 1,200 military and civilian personnel from 42 countries and two multinational organizations. Sergeant Marshall is assigned to the 1st Combat Communications Squadron at Ramstein Air Base, Germany. (U.S. Air Force photo)