SS-523 USS GRAMPUS Patch - The grampus is a large cetacean (Grampus griseus) of the "blackfish family" commonly referred to as Risso's dolphin. Found in warm seas throughout the world, the dolphin...
US NAVY SS-563 USS TANG PATCH - The Tang was the first submarine designed for underwater performance rather than surfaced speed and handling. Key features included removing the deck guns,...