High Quality Content by WIKIPEDIA articles! The Lockheed Martin Aerial Common Sensor (ACS) platform was a reconnaissance aircraft airframe, for the United States Army and Navy. The aircraft would have been able to detect troop movements, intercept enemy communications and radar transmissions, and communicate with other aircraft. It would have had synthetic aperture radar, electro-optical and infrared detection instrumentation. The program was cancelled on January 12, 2006.