Master Sgt. Michael Winkler, left, and Chief Warrant Officer Ken Drennon of the South Carolina Army National Guard set up a Web Cam as part of Defense Interoperability Communication Exercise 2007 at Fort Monroe, Va., Feb. 28, 2007. DICE '07 is a joint exercise and includes the participation of personnel and communications equipment from each of the armed services as well as U.S. Northern Command, the Department of Homeland Security and state and local agencies. The strategic goal of the exercise is to support interoperability procedures to ensure robust support during the global war on terror and when a federal response to natural disasters is necessary. Joint Task Force Civil Support, a subordinate command of U.S. Northern Command, is participating in the seven-week exercise.