Close-up of the front of Cobra Judy radar, 1983.
|Country of origin||United States|
|Type||Passive electronically scanned array radar|
|Frequency||2900-3100 MHz (E\F band)|
It was used for space tracking, ballistic missiles tracking and other instrumentation. Cobra Judy was the sea component of the COBRA program[clarification needed] for monitoring missile launches and outer space. Cobra Judy was replaced by the Cobra Judy Replacement (CJR) in April 2014.
The Cobra Judy Platform, USNS Observation Island was taken out of service and stricken from the Naval Vessel Register March 31, 2014. On 31 March 2014, the Cobra Judy Replacement program, aboard USNS Howard O. Lorenzen (T-AGM-25) reached initial operational capability (IOC). According to the Naval Sea Systems Command (NAVSEA), the U.S. Air Force also assumed operational and sustainment responsibilities for the ship.
- USNS Observation Island (T-AGM-23)
- USNS Howard O. Lorenzen (T-AGM-25), platform for the Cobra Judy Replacement
- Cobra Dane
- Cobra Ball
- Cobra Eye
- "USNS OBSERVATION ISLAND (T-AGM 23)". Naval Vessel Register. Retrieved 2 March 2012.
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