to operate until the European War ended in May 1945 on transatlantic antisubmarine hunter-killer missions as well as on patrol along the icy Great Barrier. When all German U-boats still at sea had been accounted for, the destroyer escort underwent an overhaul at Boston, Massachusetts, and, after intensive training in Cuban waters, sailed for the Pacific via the Panama Canal on 19 July 1945 to be ready for the invasion of Japan. Transfer to the Pacific Fleet Reaching Pearl Harbor via the Panama Canal and San Diego, California on 1 August 1945, Haverfield was in port at Pearl Harbor when the war ended in mid-August and at the end of the month assumed convoy escort duty from Saipan to Okinawa. She patrolled the China coast and then streamed her homeward-bound pennant, reaching Boston on 15 February 1946. Haverfield then sailed to Naval Station Green Cove Springs, Florida, 25 March 1946, was decommissioned and went into reserve with that installation's reserve fleet located on the St. Johns River on 30 June 1947. Converted to radar picket ship Reclassified DER-393 in September 1954, Haverfield was relocated from the Green Cove Springs Reserve Fleet to the Philadelphia Navy Yard, converted to a radar picket ship, and recommissioned there on 4 January 1955. Fitted with the latest electronic detection equipment and with 50 tons of ballast in her keel to compensate for the topside weight of the new radar antennae, Haverfield trained off the East Coast of the United States and then reported to her new home port, Seattle, Washington, via the Panama Canal and San Diego, California on 23 July 1955. Haverfield served as flagship of the newly created Escort Squadron FIVE (CORTON 5) in addition to regular radar picket patrol off the Pacific coast. After five years of this duty, she reported to Pearl Harbor on 10 April 1959 for similar employment along the Pacific Barrier. Departing Pearl Harbor on 16 May 1960, Haverfleld sailed to a new homeport of Apra Harbor, Guam, to conduct surveillance in the vicinity of the Trust Territory Islands and to ensure the safety and welfare of the islanders. Supporting President Eisenhower and bathyscaphe Trieste After participating in Operation Cosmos, which provided navigational aids for and was prepared to render emergency assistance to President Dwight D. Eisenhower's plane as the Chief Executive crossed the Pacific Ocean on a goodwill tour, Haverfield operated with the famed bathyscaphe Trieste