Examples of eligible Deep Submersible Vessels include: * Trieste * Trieste II (DSV-1) * Alvin (DSV-2) * Turtle (DSV-3) * Sea Cliff (DSV-4) * USS Dolphin (AGSS-555) * NR-1 Deep Submergence Craft * Deep Submergence Unit, Unmanned Vehicles Detachment (UMV) * Deep Submergence Rescue Vehicle Mystic (DSRV-1) * DSRV Avalon (DSRV-2) The insignia is also authorized to a supporting deep submergence detachment.