Carr Inlet Acoustic Range (CIAR)
This detachment, located in the Puget Sound Naval Shipyard, Bremerton, provides management and logistic support for West Coast full-scale ship and submarine acoustic trials. It is responsible for the operation of the Southeast Alaska Acoustic Measurement Facility (SEAFAC) near Ketchikan, Alaska, and the Carr Inlet Acoustic Range.
The Carr Inlet Acoustic Range (CIAR), located on Fox Island, Washington, provides underway and static sites for acoustic signature measurements for surface ships and submarines. Engineers are involved with new stealth technologies, prototype development, engineering research and real-time demonstrations of theoretical concepts. In addition to its data acquisition and analysis systems, CIAR has a bottom-mounted tracking system for submarine maneuvering and positioning. As larger and faster submarines entered the fleet, CIAR gradually became too confining an area to perform high-speed maneuvers during noise trials, and work is gradually transitioning to SEAFAC.
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