TacSat-3
TacSat-3 is the first on-orbit Department of Defense intelligence, surveillance and reconnaissance capability delivered to U.S. Strategic Command for their direct imagery support to worldwide combatant commanders. TacSat-3 complements the wide array of Intelligence Community Combat Support Agencies and other space-based ISR systems which provide information to warfighters.
Read more about this topic: Operationally Responsive Space Office