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AN/WSN-7(V)1 Inertial Navigation System

The Inertial Navigation System (INS) AN/WSN-7 is a passive shipboard navigation system which will automatically and continuously calculate and indicate ship's position, attitude, heading and velocity in relation to the earth's rotation. The INS senses motion (inertial), gravity and earth rotation in the performance of its navigation functions. Additionally, the INS receives externally supplied GPS updates and ship's speed through the water. The standard shipboard configuration consists of two fully independent, self-contained INS cabinets, which provide full redundancy and increased survivability. The system is capable of worldwide operation without the need for external position reference information for prolonged periods of time. During mission performance, the INS will not be susceptible to jamming or detection by enemy forces.

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