"Convex" in 1951 and "Pinetree" in 1953. The remainder of her time was spent along the eastern seaboard and in the Caribbean. On Friday, 4 February 1955 Customs Inspector George M. Bacon was killed when he tripped and fell aboard USS Shadwell, which was docked in Hampton Roads. The vessel had just returned from a tour of the Caribbean and had requested Customs clearance. Inspector Bacon fell approximately into the interior dock-well, resulting in significant trauma to his head. He was pronounced dead on the ship. In 1956, after one Caribbean operation, Shadwell departed Norfolk for a tour of duty with the 6th Fleet in the Mediterranean. Thus she began a schedule of deployments, alternating Atlantic-Caribbean duty with cruises in the Mediterranean, which lasted until she was decommissioned in 1971. Ten times, during the intervening 15 years, Shadwell cruised the "middle sea" and visited its ports of call. In 1959, Shadwell became the first helicopter-carrying dock landing ship (She had her call letters changed from LSD to LPH when she carried helicopters ). In 1961, she underwent a Fleet Rehabilitation and Modernization (FRAM) overhaul. She was in the Atlantic supporting the Cuban quarantine in October 1962. In February 1964, she participated in the amphibious exercise "Quick Kick V" on the coast of South Carolina. Seven months later, during the passage to her sixth Mediterranean deployment, Shadwell took part in Operation "Steel Pike" executed off the coast of Spain. In 1967, she won the Marjorie Sterrett Battleship Fund Award for the Atlantic Fleet. In January 1968, she was in the Caribbean engaged in Operation "Spring Board." During August 1968, Shadwell departed the Mediterranean after a five-month deployment. She entered Little Creek, Virginia, on the 19th to begin inactivation overhaul. In October 1968, Shadwell transported Marines to Vieques Island in the Caribbean and returned to CONUS. In December 1968, Shadwell transported Marines to Guantanamo Bay, Cuba and returned to CONUS. On 8 July 1969, she was involved in a collision with during a night-time exercise off Malta. On 9 March 1970, she was placed out of commission, in reserve. On 9 September, Shadwell was transferred to the James River, Virginia, group of the National Defense Reserve Fleet. Shadwell was struck from the Naval Vessel Register on 1 November 1976. Mobile Bay On 10 November 1988, Shadwell, decommissioned and now known as ex-USS Shadwell, was transferred to the Fire Research Detachment, Little Sand