General William L. Shelton, Air Force Space Command commander, Peterson Air Force Base, Colo., speaks at the Air Force Association CyberFutures Symposium and Technology Exposition at National Harbor, MD, March 22, 2012. The conference brings Air Force leadership, industry experts, as well as academia and current cyber security specialists from around the world to discuss the cyber security issues and challenges facing America today. (U.S. Air Force photo/Senior Airman Christina Brownlow)