 Complete the following phrase:  During the Pacific War, Destroyer Squadron 60 initially participated in the Philippines campaign. The squadron was part of the escort screen for Task Group 78.3, the amphibious assault force that invaded Leyte in October 1944. The squadron also participated in the ensuing Battle of Ormoc Bay. On 3 December 1944, during an attack on a Japanese convoy, the Cooper was torpedoed and sunk. Destroyer Squadron 60 subsequently operated as part of the destroyer screen for Task Group 77.2, the Bombardment and Fire Support Group for the January 1945 