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Five ships of the United States Navy have been named USS Grayling for the grayling, a fresh-water game fish closely related to the trout.
- two ships named Grayling predated the submarine service
The second Grayling ...
The third Grayling (SS-18), a D-class submarine, was renamed D-2 and served during World War I.
The fourth Grayling (SS-209), a Tambor-class submarine, served during World War II.
The fifth Grayling (SSN-646), a Sturgeon-class submarine, served during the Cold War.

