The USS Pinnacle (AM-462/MSO-462) was an Aggressive-class minesweeper constructed for the United States Navy, primarily tasked with detecting and removing naval mines to ensure safe passage for maritime traffic. Laid down on August 24, 1953, by Higgins Industries Inc. in New Orleans, Louisiana, the vessel was launched on January 3, 1955. Initially designated as AM-462, she was redesignated as MSO-462—an Ocean Minesweeper—on February 7, 1955, and was officially commissioned on October 21, 1955. The Pinnacle measured approximately 172 feet in length, with a beam of around 36 feet, and was equipped with specialized minesweeping gear suitable for her mission of clearing mines in both coastal and deep waters. Her construction and design emphasized maneuverability and operational efficiency in mine countermeasure operations. Throughout her service, the USS Pinnacle was assigned to Mine Division 84 and conducted multiple deployments and operations across the Atlantic and Mediterranean. Her first deployment to the Mediterranean began in September 1956, where she participated in NATO maneuvers in the North Sea and operated with the U.S. 6th Fleet in the Mediterranean until January 1957. She returned again to the Mediterranean in 1958 amid rising tensions in the Middle East, notably spending six weeks off Beirut during the Lebanon crisis, responding to Lebanese President Camille Chamoun's request for aid. During this deployment, she experienced engineering casualties leading to the loss of her main engines, after which she was towed back to Charleston, South Carolina. Pinnacle's activities included local operations, NATO exercises, and service as a Mine Warfare school ship. In 1962, she served as a backup during the Mercury 6 space shot at Cape Canaveral and later participated in joint U.S.-Canada exercises. Notably, in 1966, she played a crucial role in the Palomares Incident recovery effort, becoming the first ship to locate the missing hydrogen bomb using sonar contact. Decommissioned and struck from the Naval Vessel Register on November 1, 1977, the USS Pinnacle was sold for scrapping in 1978. Her service highlights her versatility and vital contribution to naval mine warfare and Cold War-era operations.

This description has been generated using GPT-4.1-NANO based on the Vessel's wikidata information and then modified by ShipIndex.org staff.