USN

USS Oak Ridge (ARDM-1) is a floating dry dock that was commissioned by the United States Navy in 1944. Originally constructed to provide repair and maintenance services for submarines and small vessels during World War II, Oak Ridge played a crucial role in supporting naval operations in the Pacific Theater. After the war, the dry dock continued its service, supporting both conventional and nuclear submarines during the Cold War era. Over the decades, USS Oak Ridge underwent several upgrades and remained an essential asset in the Navy's submarine support fleet until its decommissioning in 2023.

The USS Oklahoma City (CLG-5) was a Cleveland-class light cruiser originally commissioned during World War II in 1944. After serving briefly at the end of the war, she was decommissioned and then converted into a guided missile cruiser, reclassified as CLG-5, and recommissioned in 1960. As a flagship for the U.S. Seventh Fleet, Oklahoma City played a significant role in the Vietnam War, providing naval gunfire support and command functions. She continued to serve in the Pacific until her decommissioning in 1979, marking a distinguished career spanning both conventional and missile cruiser eras.

USS Olympia (SSN-717) was a Los Angeles-class nuclear-powered attack submarine commissioned by the United States Navy on November 17, 1984. Homeported in Pearl Harbor, Hawaii, Olympia conducted numerous deployments throughout the Pacific, supporting intelligence, surveillance, and reconnaissance operations as well as participating in major naval exercises and joint operations with allied forces. Over her distinguished career, Olympia earned multiple awards, including the Navy Unit Commendation and the Battle Efficiency "E" for operational excellence. After nearly 35 years of service, she was decommissioned on November 5, 2019, marking the end of her significant contributions to U.S. undersea warfare.

USS Ortolan (ASR-22) was a twin-hulled submarine rescue ship commissioned by the United States Navy in 1973. Designed specifically for submarine rescue operations, she was equipped with sophisticated diving and salvage equipment, including support for the Deep Submergence Rescue Vehicle (DSRV). Throughout her service, Ortolan participated in submarine rescue exercises and stood ready to provide assistance during submarine emergencies during the Cold War. She was decommissioned in 1995 after over two decades of service, reflecting advances in submarine rescue technology and changing operational requirements.

USS Oxford (AG-159) was originally constructed as the Liberty ship *Samuel R. Aitken* in 1945, before being acquired and converted by the U.S. Navy in 1960 as a technical research ship. Commissioned in December 1961, Oxford operated primarily in the Atlantic and Caribbean, conducting electronic intelligence gathering during the height of the Cold War. The ship played a significant role during the Cuban Missile Crisis, collecting crucial signals intelligence about Soviet activities in Cuba. After years of service monitoring international communications and supporting U.S. intelligence operations, USS Oxford was decommissioned in December 1969 and struck from the Naval Vessel Register the following year.

USS Passumpsic (AO-107) was a Cimarron-class fleet oiler commissioned by the United States Navy in 1946. Serving primarily in the Pacific, she provided vital refueling support to U.S. and allied ships during the Korean War, Vietnam War, and throughout the Cold War. Passumpsic played a crucial role in sustaining naval operations, enabling extended deployment of combat and support vessels at sea. After decades of service, she was decommissioned in 1973 and later transferred to the Military Sealift Command, continuing her support role as USNS Passumpsic (T-AO-107) before eventual retirement.

USS Persistent (MSO-491) was an Agile-class minesweeper of the United States Navy, commissioned in 1955. Built to detect and clear naval mines, she operated primarily along the U.S. West Coast and deployed to the Western Pacific, participating in exercises and supporting fleet operations during the Cold War. Persistent served with dedication, enhancing mine warfare readiness and participating in joint operations with allied navies. After decades of service, she was decommissioned in 1993, contributing significantly to maritime safety and naval mine countermeasures.

USS Phoenix (SSN-702) was a Los Angeles-class nuclear-powered attack submarine of the United States Navy, commissioned on December 19, 1981. Built by the Electric Boat Division of General Dynamics in Groton, Connecticut, Phoenix served during the latter years of the Cold War, participating in numerous missions including intelligence gathering, anti-submarine warfare exercises, and fleet operations. The submarine earned a reputation for operational excellence and contributed significantly to the Navy's undersea capabilities during her service. USS Phoenix was decommissioned on July 29, 1998, after nearly 17 years of distinguished service.

USS PICTOR (AF-54) was a Pictor-class stores ship commissioned by the United States Navy in 1950. Originally built as the SS Great Republic, she was acquired and converted to provide underway replenishment of food and dry stores to fleet units at sea. During her service, USS PICTOR operated extensively in the Pacific, supporting U.S. naval operations during the Korean War, the Vietnam War, and the Cold War era. She earned several campaign stars for her service before being decommissioned in 1969 and eventually struck from the Naval Vessel Register.