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Multi Role Radar System (MRRS)

The Multi-Role Radar System (MRRS) is also known programmatically as Ground/Air Task Oriented Radar (G/ATOR). The Multi-Role Radar System (MRRS) is a highly mobile radar system to be employed by the Marine Air-Ground Task Force (MAGTF) in all phases of Marine Corps operations. The MRRS is a medium-range surveillance radar used to detect and track aircraft, cruise missiles, and unmanned aerial vehicles (UAVs). The system will serve as a gap-filler radar by providing three-dimensional (3-D) coverage of those areas out of view of the AN/TPS-59(V)3 due to terrain masking, mandated frequency blanking of the primary sensor, or other line-of-sight limitations. Additionally, the MRRS will be capable of providing radar-cueing data to all short-range air defense units deployed in support of the MAGTF.

The radar is intended to replace and perform all the missions currently associated with the AN/TPS-63 air defense radar, AN/TPS-73 Air Traffic Control radar, and the AN/MPQ-62 surveillance radar. The radar will have connectivity to the Composite Tracking Network (CTN) and be deployed early during Expeditionary Maneuver Warfare (EMW) distributed operations to augment sea-based air defense sensors and command and control capabilities.

The radar will provide the speed and flexibility required for enhanced detection identification of low-level, low-radar, crosssection Air Breathing Targets (ABT), and tracking in the execution of all EMW-distributed operations. Execution and support of these strategies require the maneuver and control of aircraft, cruise missile, and UAV assets from ships well over-the-horizon directly to their objectives, at much greater distances inland than has been historically required. In addition, the radar will be capable of cueing and reporting on targets detected within its coverage limits to designated air command and control agencies. The reduced logistical footprint and mobility of the radar will enhance the capabilities of Marine Air Command and Control System (MACCS) elements in support of all phases of MAGTF operations. Once ashore, the radar will possess the mobility required to keep pace with supported maneuver elements and will complement the Marine Corps' long-range radar, the AN/TPS-59(V)3, by providing accurate low-level tracks.

MRRS is intended to be a high mobility, high performance affordable radar used to support the USMC Tactical Air Operations Center (TAOC), Air Traffic Control (ATC), and Short Range Air Defense (SHORAD) missions. MRRS should be able to detect, track, and acquire all air breathing air targets (ABTs), in all terrain, weather, and electronic attack environments. The radar should have a very low false track rate and sufficient clutter cancellation/sub-clutter visibility to maintain full sensitivity against very low flying ABT's in the presence of land, sea, and urban clutter as well as ducting. Track quality shall be sufficient to support cooperative engagement capability (CEC) and to cue Complementary Low Altitude Weapons System (CLAWS) engagements. The radar shall provide high-speed interface suitable for interface to current and future Command and Control systems and CEC. Detailed threat performance and definition requirements are described in a classified Appendix.

Deployed on two High Mobility Multi-purpose Wheeled Vehicles (HMMWVs), the MRRS is an active array rotator, which provides generation skipping performance to deliver a 25-plus year service life. The USMC objective for MRRS is to replace the AN/TPS-63, AN/TPS-73 and the AN/MPQ-62 for the missions of air traffic control, tactical air operations and short range air defense as well as providing three dimensional radar coverage in those areas out of the view of the AN/TPS-59(V)3 radar.

MRRS shall require only a single HMMWV (objective); a multi-vehicle configuration is acceptable but shall not exceed two total vehicles, including all necessary support equipment. Vehicle selected will be organic to the Marine Air Control Squadron (MACS). MRRS volume and weight constraints shall be consistent with internal transport by C-130, or externally slung from CH-53 and MV-22 aircraft. The radar shall require less than 30 minutes for 4 men to set-up (objective) or 60 minutes with 4 men (threshold). The proto-type equipment enclosures shall protect equipment from damage by dust, wind, salt spray, rain, and ice. Offerors are encouraged to use teaming to leverage existing production programs.

The MRRS achieved Milestone 0 in August 2000 and the Joint Requirements Oversight Council (JROC) approved the Operational Requirements Document (ORD) in July 2004. As of 2005 initial Operational Capability (IOC) was planned for FY 10 with Full Operational Capability (FOC) in FY 16.

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