Winner of a 2005 Flight International Aerospace Industry Award, the J-UCAS X-45 program is a DARPA/U.S. Air Force/U.S. Navy/Boeing effort to demonstrate the technical feasibility, military utility and operational value of an unmanned air combat system for the Navy and Air Force. Operational missions for the services may include persistent strike; penetrating electronic attack; suppression of enemy air defenses; and intelligence, surveillance and reconnaissance.