The Space Force has selected teams from Boeing's Millennium Space Systems and Raytheon Intelligence & Space to proceed with building prototypes for the service's Missile Track Custody program, according to a Space Systems Command official. Sensors developed by the two primes passed critical design reviews in November, though it wasn’t clear whether SSC would move forward with prototypes from both or push down to a single vendor. Following the reviews, the companies were chosen to proceed with the program’s next...