	"Keith" continued to operate with the hunter-killer group patrolling the waters of the Atlantic, escorting convoys from "mid-ocean point" to ports in Brazil, Bermuda, Newfoundland, Cuba, and the United States. On 23 April 1945, the hunter-killer group, operating as a combined force against a large wolfpack of U-boats, spotted a partially submerged submarine but could not locate it after it dived. While searching the next day, , a destroyer escort in company, was torpedoed and sunk. "Keith" and a task group ships headed to the position where the "Frederick C. Davis" had gone down and launched a depth charge attack that lasted some 12 hours before was forced to surface. The destroyer escorts opened fire on the submarine; and "Keith" made two direct hits before the U-boat sank. After the engagement, "Keith" rescued four survivors from the submarine.