Today's military operations depend on a very large number of systems to acquire and process critical information needed by combatant commanders to accomplish their mission. Intelligence, surveillance, and reconnaissance systems often provide a much-needed picture that is vital to decision makers. Requests from commanders for information provided by unmanned aircraft systems (UAS) are growing so fast that they are outpacing system availability. The future of these aircraft is of such importance to military operations that in September 2007, Deputy Secretary of Defense Gordon England directed...