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Cobra Judy Replacement

Cobra Judy Replacement (CJR)

The Cobra Judy Replacement (CJR) is an integrated, surveillance and ballistic missile data collection radar system to support U.S. treaty monitoring activities. It is the first fully integrated, dual-band, ship-based active phased array radar system.

CJR's dual-band radar suite consists of X-band and S-band phased-array sensors, a common radar suite controller, and other related mission equipment.

CJR continues to excel at each stage of development and testing – no small feat for a new program with its level of scale and complexity — U.S. Navy Captain Rod Wester, CJR program manager, PEO IWS 21

In late 2003, Raytheon was awarded a contract by the U.S. Navy to develop the CJR mission equipment and is leading an industry team that includes Northrop Grumman Electronic Systems, General Dynamics SATCOM Technologies and Kiewitt Offshore Services (KOS). The T-AGM-25 ship was built for the Navy by VT Halter Marine.

While the CJR mission is unchanged from that of the current Cobra Judy system, the new CJR dual-band radar suite provides significantly increased mission capability due to the advanced technology it employs.

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