USS Hammerhead (SSN-663)
USS Hammerhead (SSN-663), a Sturgeon-class submarine, was the second ship of the United States Navy to be named for the hammerhead shark, a voracious fish found in warm seas, with a curious hammerlike head.
Read more about USS Hammerhead (SSN-663): Construction and Commissioning, Service History, Decommissioning and Disposal