Her modern US naval combatant escorts were the guided missile destroyer and frigate . The "Ticonderoga"-class cruiser's design was based on that of the "Spruance"-class destroyer. This class also served as the basis for the guided missile destroyer. "Sheffield" was a Type 42 guided missile destroyer commissioned in 1975. Also joining the rescue were the US Navy destroyer escort . This unit also sank the destroyer "Waterhen". They are later intercepted by the U.S. Navy destroyer . Among them was a , and a modified Kashin-class missile destroyer, (). Four days later, she sailed for the Caribbean in company with the destroyer . The Hellcat was the most effective U.S. tank destroyer of World War II. This gave impetus to the development of the self-propelled, lightly armored "tank destroyer" (TD). As with other previous U.S. flush deck destroyer designs, seagoing performance suffered. The design parameters were the armaments desired of the next destroyer. Previously, the court had found Sudan culpable in facilitating the attack on the destroyer. He helped defend Asgard from the Destroyer.