The AN/TPS-80 Quick Reaction Capability Radar is a mobile radar system currently being designed by Northrop Grumman for the US Marine Corps. The Radar is a multi function system designed to replace five legacy radar systems currently in Marine Corps service: the TPS-63 (air defense), TPS-73 (air-traffic control), MPQ-62 (short range air defense), TPQ-46 (counter-fire target acquisition)and UPS-3 (target tracking.