Emblem is heavy bronze. USS Tunny (SSN-682), a Sturgeon-class attack submarine, was the second submarine of the United States Navy to be named for the tunny, any of several oceanic fishes resembling the tuna. Tunny was deactivated while still in commission on 1 October 1997, and was both decommissioned and stricken from the Naval Vessel Register on 13 March 1998. Her scrapping via the U. Thanks for looking and please check out my other items!