USN

USS MCKEAN (DD-784) was a Gearing-class destroyer commissioned by the United States Navy in 1945. She served with distinction in the Pacific during the final months of World War II and participated in the Korean War, providing naval gunfire support and screening for carrier task forces. Throughout the Cold War, USS MCKEAN was active in various operations, including deployments to the Western Pacific and support missions during the Vietnam War. After decades of service, she was decommissioned in 1981 and later transferred to the Turkish Navy, where she served as TCG Iskenderun.

USS **Moale (DD-693)** was an Allen M. Sumner-class destroyer commissioned by the United States Navy in 1944. She served with distinction in the Pacific Theater during World War II, participating in major operations including the Battle of Leyte Gulf and the Okinawa campaign, where she provided anti-aircraft and fire support. During the Battle of Surigao Strait, Moale played a crucial role in the night torpedo attack against the Japanese Southern Force. After the war, she continued to serve during the Korean War and later as a training ship before being decommissioned in 1973.

USS Nathan Hale (SSBN-623) was a Lafayette-class ballistic missile submarine commissioned by the United States Navy in 1963. Named after the American Revolutionary War hero Nathan Hale, she played a critical role in the U.S. strategic nuclear deterrent during the Cold War, conducting numerous deterrent patrols armed with Polaris and later Poseidon ballistic missiles. Throughout her service, the submarine contributed to the nation’s undersea deterrence force, ensuring a continuous at-sea presence. USS Nathan Hale was decommissioned in 1986 and subsequently scrapped as part of the Navy’s nuclear-powered ship recycling program.

USS Navasota (AO-106) was a Cimarron-class fleet oiler commissioned by the United States Navy in 1946. She played a crucial logistical role, supplying fuel to naval vessels during major operations, including the Korean War, Vietnam War, and Cold War deployments. Throughout her service, Navasota conducted numerous underway replenishments, ensuring sustained fleet operations across the Pacific and other theaters. After decades of distinguished service, she was decommissioned in 1975 and later transferred to the Military Sealift Command as USNS Navasota (T-AO-106), before being retired and scrapped.

USS Neosho (AO-143) was a Neosho-class fleet oiler commissioned by the United States Navy in 1954. Designed to support underway replenishment operations, Neosho played a crucial role in refueling ships at sea, enhancing the Navy's global reach during the Cold War. The vessel participated in numerous exercises and deployments, including Mediterranean and Atlantic operations, supporting both peacetime and crisis response missions. After decades of distinguished service, USS Neosho was decommissioned in 1992 and later struck from the Naval Vessel Register.

USS Nitro (AE-2) was an ammunition ship commissioned by the United States Navy in 1921. Serving primarily in the Atlantic and Mediterranean, Nitro played a crucial logistical role, supplying munitions to fleet units during both peacetime operations and World War II. During the war, she supported Allied forces by providing vital ordnance during key campaigns, including the invasions of North Africa and Southern France. After distinguished service, USS Nitro was decommissioned in 1945 and subsequently scrapped in 1949.

USS O’Brien (DD-725) was an Allen M. Sumner-class destroyer commissioned by the United States Navy in February 1944. She saw extensive action during World War II, participating in the Normandy Invasion, where she provided naval gunfire support and was damaged by enemy shore batteries. O’Brien later served in the Pacific, supporting operations at Leyte Gulf, Iwo Jima, and Okinawa, surviving a severe kamikaze attack in April 1945. After the war, she continued to serve through the Korean and Vietnam Wars before being decommissioned in 1972.

USS O'Callahan (DE/FF-1051) was a Garcia-class destroyer escort, later reclassified as a frigate, commissioned by the United States Navy in 1968. Named in honor of Chaplain Lieutenant Commander Joseph T. O’Callahan, a Medal of Honor recipient from World War II, the ship served extensively during the Cold War, conducting anti-submarine warfare operations and participating in training and goodwill missions across the Pacific. USS O'Callahan played a vital role in supporting U.S. naval presence, including operations off the coast of Vietnam in the early 1970s. She was decommissioned in 1989 and later transferred to the Pakistan Navy, where she served as PNS Aslat before being scrapped.

USS Observation Island (EAG-154) was originally built as a Mariner-class cargo ship and launched in 1953. In 1958, she was converted into a missile range instrumentation ship by the United States Navy, playing a key role in the development and testing of the Polaris submarine-launched ballistic missile (SLBM). Observation Island served as the platform for the first successful at-sea launch of a Polaris missile in 1960, marking a significant milestone in U.S. strategic deterrence. She continued to provide vital missile tracking and telemetry support for various missile programs throughout the Cold War before being decommissioned in 1994.