USN

Shore Intermediate Maintenance Activity (SIMA) Mayport, Florida, was established to provide essential maintenance and logistical support to the numerous ships homeported at Naval Station Mayport. Throughout its operational history, SIMA Mayport played a crucial role in ensuring the readiness and sustainability of U.S. Navy surface combatants by delivering a wide range of intermediate-level repairs, technical assistance, and training. The unit's skilled personnel serviced everything from propulsion systems to weapons and electronic equipment, often under tight deadlines to keep the fleet mission-ready. Over the years, SIMA Mayport adapted its capabilities to match technological advancements and shifting naval priorities until its functions were integrated into the Regional Maintenance Center framework in the early 2000s.

USS Arkansas (CGN-41) was a Virginia-class nuclear-powered guided missile cruiser commissioned into the United States Navy on October 18, 1980. Designed for multi-role operations, she served as an escort for aircraft carrier battle groups, providing air defense and surface warfare capabilities with her advanced missile systems. Throughout her active service, Arkansas participated in numerous deployments, including operations in the Mediterranean Sea, the Persian Gulf, and support missions during the Gulf War. Decommissioned on July 7, 1998, the ship was subsequently dismantled as part of the Navy’s Nuclear-Powered Ship and Submarine Recycling Program.

USS Canisteo (AO-99) was a Cimarron-class fleet oiler commissioned by the United States Navy in December 1945. Serving primarily in the Atlantic Fleet, Canisteo provided vital underway replenishment support to U.S. and allied ships during the early Cold War, including operations in the Mediterranean and participation in NATO exercises. The ship also aided in the U.S. response to crises such as the Suez Crisis and the Lebanon intervention in 1958. After decades of service, Canisteo was decommissioned in 1989, marking the end of a distinguished career supporting naval operations around the globe.

USS Halsey (CG-23) was a Leahy-class guided missile cruiser commissioned into the United States Navy in July 1963. Named in honor of Fleet Admiral William F. Halsey Jr., the ship served primarily in the Pacific Fleet, participating in numerous operations during the Vietnam War and later Cold War exercises. Halsey was involved in air defense, anti-submarine warfare, and carrier escort missions, reflecting her advanced missile capabilities for the era. After nearly three decades of service, USS Halsey was decommissioned in January 1994 and subsequently scrapped.

USS Mississippi (CGN-40) was a Virginia-class nuclear-powered guided missile cruiser commissioned into the United States Navy on August 5, 1978. Designed for multi-mission capabilities, she was equipped with advanced radar and missile systems, serving as an escort for carrier battle groups and providing air defense, surface warfare, and anti-submarine capabilities. Throughout her service, Mississippi participated in numerous operations, including deployments to the Mediterranean and Persian Gulf, supporting U.S. interests and allied operations. The ship was decommissioned on July 28, 1997, following the end of the Cold War and subsequent reductions in the Navy’s nuclear-powered surface fleet.

USS Monticello (LSD-35) was a Thomaston-class dock landing ship commissioned by the United States Navy in 1957. Designed to transport and launch amphibious craft and vehicles, she played a critical role in numerous operations, including troop deployments and humanitarian missions. During the Vietnam War, Monticello supported amphibious assaults and logistical operations, earning several campaign stars for her service. After decades of active duty, she was decommissioned in 1985 and eventually sold for scrap, marking the end of her distinguished naval career.

USS Sanctuary (AH-17) was a Haven-class hospital ship commissioned by the United States Navy in June 1945. Initially serving in the Pacific theater during the closing months of World War II, she provided vital medical support and care for wounded servicemen. Following the war, Sanctuary was decommissioned but later reactivated for service during the Vietnam War, where she rendered crucial medical and humanitarian assistance off the coast of Vietnam. The ship was notable for being the first Navy ship to have a mixed-gender crew, marking a significant milestone in naval history before her final decommissioning in 1975.

Electronic Attack Squadron 129 (VAQ-129), known as the "Vikings," was established on March 1, 1961, at NAS Whidbey Island, Washington. Initially, the squadron served as a Fleet Replacement Squadron, tasked with training aircrews and maintenance personnel for the A-3 Skywarrior and later the EA-6B Prowler electronic warfare aircraft. Over the decades, VAQ-129 became the Navy’s primary training unit for electronic warfare, transitioning to the advanced EA-18G Growler in 2009. Today, VAQ-129 continues to prepare sailors and aviators for critical electronic attack missions, maintaining a legacy of innovation and excellence in naval aviation.

VAW-120, known as the "Greyhawks," is a United States Navy Fleet Replacement Squadron established in 1961. Originally formed as Carrier Airborne Early Warning Squadron TWELVE (VAW-12), it was redesignated VAW-120 in 1967. The unit’s primary mission is to train aircrew and maintenance personnel for the Navy’s E-2 Hawkeye and C-2 Greyhound aircraft. VAW-120 has played a vital role in preparing carrier airborne early warning and logistics support crews, ensuring operational readiness for deployments worldwide.