The Defense Department is readying Navy destroyers equipped for ballistic missile defense operations for a second full-time, simultaneous mission: assisting the Space Force with situational awareness of the heavens in a move that aims to leverage nearly 30 Aegis ships with SPY-1 radars to help fill gaps in the Space Surveillance Network. The initiative involves a software upgrade to the Aegis weapon system which controls the SPY-1 radar on the BMD-capable Arleigh Burke-class destroyers -- a sensor that has long...