The U.S. Air Force Space Command awarded Raytheon Co. a $3 million contract to develop an enterprise sensing prototype architecture for space situational awareness (ESP-SSA). ESP-SSA will prototype an open, service-oriented architecture to integrate Space Command space surveillance sensors with Missile Defense Agency sensors into a single-sensor enterprise. This feature will enable missile defense sensors to participate in the space surveillance network and be tasked by space and missile defense command and control systems. Technologies that will enable these architectures include sensor data fusion, enterprise sensor calibration, and distributed sensor resource management.