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Naval Vessel Registrar
http://www.nvr.navy.mil/nvrships/details/SSN662.htm
SSN-662 fact sheet.
Subnet
http://www.subnet.com/fleet/ssn662.htm
SSN-662 photo and brief history.
USS Gurnard (SS-254/SSN-662) Association
http://goatlocker.exis.net/gurnard/
Sea stories, photos, ship specifications and histories, and reunion information.