USN

The Defense Intelligence Agency (DIA), headquartered at the Pentagon in Washington, D.C., was established in 1961 to centralize and coordinate military intelligence efforts for the United States Department of Defense. Over the decades, the DIA has played a pivotal role in providing all-source intelligence analysis, supporting military operations and national security decision-making worldwide. The agency has contributed to major operations, including the Vietnam War, the Gulf War, and the Global War on Terrorism, by delivering critical intelligence support to commanders and policymakers. Today, the DIA remains a cornerstone of the U.S. intelligence community, advancing military intelligence capabilities and safeguarding national interests.

Reconnaissance Attack (Heavy) Squadron 5 (RVAH-5), known as the "Savage Sons," was a U.S. Navy squadron established in November 1951. Originally designated as Composite Squadron Five (VC-5), it became RVAH-5 in 1964 as the Navy transitioned to the RA-5C Vigilante, a high-speed reconnaissance aircraft. The squadron served with distinction during the Vietnam War, conducting high-risk photo-reconnaissance missions over hostile territory. RVAH-5 continued operations through the 1970s, deploying aboard multiple aircraft carriers, until it was disestablished on September 30, 1977.

Seabees

U.S. Navy

The Seabees, formally known as the United States Naval Construction Battalions, were established in March 1942 during World War II. Their primary mission was to build and repair infrastructure in combat zones, including airstrips, roads, bridges, and bases, often under enemy fire. The Seabees earned a reputation for their motto "We Build, We Fight," demonstrating both construction expertise and combat readiness in theaters from the Pacific Islands to Europe. Over the decades, they have continued to support U.S. military operations worldwide, playing vital roles in conflicts, humanitarian missions, and disaster relief.

**SIMA NRMF Phila** (Shore Intermediate Maintenance Activity, Naval Reserve Maintenance Facility Philadelphia) was a U.S. Navy maintenance unit based in Philadelphia, Pennsylvania. Established to provide vital repair and maintenance support to Naval Reserve ships and craft, SIMA NRMF Phila played a key role in ensuring operational readiness for reserve fleet units along the East Coast. The unit was staffed by a combination of active duty Navy personnel and reservists, specializing in technical repairs, engineering services, and logistical support. SIMA NRMF Phila’s contributions were essential in extending the service life of naval assets and supporting the Navy’s mission until its functions were reorganized or absorbed into larger maintenance commands in the late 20th or early 21st century.

Special Boat Unit-20 (SBU-20) was a U.S. Navy special operations unit established in 1972 and based in Little Creek, Virginia. Its primary mission was to provide maritime special operations support, including insertion and extraction of Navy SEALs and other special forces, coastal patrol, and reconnaissance. SBU-20 operated various small, fast craft capable of stealthy operations in rivers, coastal areas, and open seas. In 1987, as part of the reorganization of Naval Special Warfare forces, SBU-20 was redesignated as Special Boat Team 20 (SBT-20), continuing its legacy of supporting special operations worldwide.

Tactical Air Control Squadron 21 (TACRON 21), based at Naval Amphibious Base Little Creek, Virginia, is a United States Navy unit specializing in air control for amphibious operations. Established in 1944 during World War II, TACRON 21 (originally as VTC-21) has provided critical air traffic control and coordination between naval and Marine Corps aviation assets during major amphibious assaults and exercises. Over the decades, the squadron has supported operations from the Mediterranean to the Middle East, ensuring seamless integration of air power in joint and coalition environments. Today, TACRON 21 continues to play a vital role in supporting U.S. Navy Expeditionary Strike Groups, delivering command and control expertise for both peacetime training and combat deployments.

Tactical Air Control Squadron Eleven (TACRON 11), known as TACRON Eleven, is a United States Navy unit that provides tactical air control for amphibious operations. Established in the post-World War II era, TACRON 11 has played a critical role in coordinating the movement and control of aircraft supporting Marine and Navy forces during joint and expeditionary missions. The squadron is responsible for managing air traffic in the amphibious objective area, ensuring safe and efficient air operations from sea to shore. Throughout its history, TACRON 11 has participated in numerous deployments and exercises, supporting U.S. naval power projection and humanitarian assistance missions worldwide.

The United States Indo-Pacific Command (USINDOPACOM) traces its origins to 1947, when it was established as the United States Far East Command in response to growing post-World War II security needs in Asia. In 1957, it was redesignated United States Pacific Command (USPACOM) and given responsibility for all U.S. military forces in the vast Asia-Pacific region. Over the decades, USINDOPACOM has played a central role in major conflicts and operations, including the Korean War, Vietnam War, and ongoing regional security initiatives with allies and partners. In 2018, reflecting the increasing strategic importance of the region, it was renamed United States Indo-Pacific Command, underscoring its expanded focus from the Pacific to the broader Indo-Pacific area.

USNS Harkness (T-AGS-32) was an oceanographic survey ship of the United States Navy, originally launched in 1967. Assigned to Oceanographic Unit 5, the vessel conducted hydrographic and oceanographic surveys, playing a crucial role in mapping the world’s oceans during the Cold War era. The data collected by Harkness supported naval operations, submarine navigation, and scientific research. Throughout its service, USNS Harkness exemplified the Navy’s commitment to technological advancement and maritime domain awareness before being decommissioned in the mid-1990s.

USNS Neptune (ARC-2) was a cable repair ship operated by the United States Navy, commissioned in 1953. Built on a C1-B cargo hull, Neptune's primary mission was the installation, maintenance, and repair of undersea cables crucial for naval communications and surveillance. Throughout the Cold War, Neptune played a vital role in laying and servicing submarine cables, including those associated with the Sound Surveillance System (SOSUS) used for anti-submarine warfare. The ship remained active until 2005, after which it was decommissioned and subsequently stricken from the Naval Vessel Register.

USS **Aludra (AF-55)** was an Alstede-class stores ship commissioned by the United States Navy in 1952. Originally built as the commercial freighter *Matchless* in 1944, she was acquired and converted by the Navy to provide underway replenishment of food, supplies, and refrigerated provisions to fleet units at sea. Aludra served extensively during the Korean War and the Vietnam War, supplying both combat and support ships in the Pacific Theater. She was decommissioned in 1969 and eventually scrapped, having played a vital logistical role in sustaining U.S. naval operations during her years of service.

USS Arcadia (AD-23) was a Dixie-class destroyer tender commissioned by the United States Navy in September 1945. Designed to provide maintenance and logistical support to destroyers, Arcadia served prominently during the post-World War II era, primarily in the Atlantic Fleet. Throughout her service, she participated in multiple fleet exercises, NATO operations, and deployments, including support roles during the Korean War and the Cuban Missile Crisis. Arcadia was decommissioned in June 1968, after more than two decades of dedicated support to U.S. naval operations.

USS Askari (ARL-30) was an Achelous-class landing craft repair ship commissioned by the United States Navy in 1945. Initially serving during the final months of World War II, she provided vital repair and maintenance services to landing craft in the Pacific theater. Askari was later recommissioned for service during the Korean War, where she supported United Nations naval operations by ensuring the readiness of amphibious vessels. After several years of active duty, the ship was decommissioned in 1956, marking the end of her distinguished service to the fleet.

USS **Bainbridge (DDG-96)** is an Arleigh Burke-class guided missile destroyer commissioned into the United States Navy on November 12, 2005. Named after Commodore William Bainbridge, the ship has served in various capacities, including maritime security, anti-piracy, and multinational exercises. Most notably, in April 2009, USS Bainbridge played a pivotal role in the successful rescue of Captain Richard Phillips from Somali pirates during the Maersk Alabama hijacking, a mission that received international attention. Since commissioning, the ship has remained an active asset in the U.S. Navy’s Atlantic Fleet, participating in operations and deployments across the globe.

USS Bexar (APA-237/LPA-237) was a Haskell-class attack transport commissioned by the United States Navy in December 1944. She participated in the closing stages of World War II, including operations at Okinawa, and later supported occupation duties in the Far East. During the Korean War, Bexar played a critical role in amphibious landings, notably at Inchon in 1950, and continued to transport troops and supplies throughout the conflict. She later served in the Vietnam War, providing logistical support for American forces, before being decommissioned in 1969.

USS Brinkley Bass (DD-887) was a Gearing-class destroyer commissioned into the United States Navy in 1945. Named after Lieutenant Commander Harry Brinkley Bass, the ship served in the closing months of World War II and saw extensive action during the Korean and Vietnam Wars, providing naval gunfire support, screening carriers, and conducting patrols. Throughout her service, Brinkley Bass participated in multiple major operations, earning several battle stars. The destroyer was decommissioned in 1973 and later transferred to the Republic of Korea Navy, where she served as ROKS Jeonju (DD-925).

USS Cabildo (LSD-16) was a Casa Grande-class dock landing ship commissioned by the United States Navy in March 1945. Serving in the final months of World War II, she participated in occupation duties in the Far East after Japan's surrender. Cabildo saw extensive service during the Korean War, supporting amphibious landings and logistics operations. She also played vital roles during the Vietnam War before being decommissioned in 1970, after which she was sold for scrapping in 1975.

USS Cacapon (AO-52) was a Cimarron-class fleet oiler commissioned by the United States Navy in 1943. Throughout World War II, she played a crucial role in the Pacific Theater, providing vital fuel support to combat ships during major operations such as the invasions of the Philippines, Iwo Jima, and Okinawa. After the war, USS Cacapon continued to serve during the Korean and Vietnam Wars, ensuring the Navy's mobility and effectiveness through underway replenishments. The ship was decommissioned in 1973, after three decades of distinguished service supporting U.S. naval operations worldwide.

USS Caliente (AO-53) was a Cimarron-class fleet oiler commissioned by the United States Navy in 1943. Throughout World War II, she provided vital underway replenishment to combat ships in the Pacific theater, supporting major operations from the Marianas to Okinawa. After the war, Caliente continued her service during the Korean and Vietnam Wars, supplying fuel to naval forces engaged in combat and patrol duties. Decommissioned in 1973, USS Caliente earned multiple battle stars for her distinguished service across three decades and several major conflicts.

The **USS Calvert (APA-32)** was a Bayfield-class attack transport commissioned by the United States Navy in 1942. Throughout World War II, she played a crucial role in major amphibious assaults, including landings in North Africa, Sicily, Normandy, and the Pacific campaigns such as Leyte and Okinawa. After the war, Calvert participated in Operation Magic Carpet, repatriating American troops from overseas. She was reactivated for service during the Korean War and later supported operations in the early years of the Vietnam War, serving honorably until her decommissioning in 1966.

USS Cape St. George (CG-71) is a Ticonderoga-class guided-missile cruiser commissioned into the United States Navy on 12 June 1993. Named after the 1943 Battle of Cape St. George in the Pacific Theater of World War II, the ship has participated in multiple major operations, including Operation Iraqi Freedom and Operation Enduring Freedom. USS Cape St. George played a significant role in Tomahawk missile strikes and maritime security operations, earning several unit commendations for its service. The ship is renowned for being the first U.S. Navy vessel to engage enemy targets using Tomahawk missiles in combat during Operation Iraqi Freedom in 2003.

USS Chemung (AO-30) was a Cimarron-class fleet oiler commissioned by the United States Navy in 1941. Throughout World War II, Chemung played a vital role in fueling Allied warships during major Pacific campaigns, including operations in the Gilbert, Marshall, and Mariana Islands. After the war, she continued to support naval operations during the Korean War and later in the Atlantic and Mediterranean regions. Chemung was decommissioned in 1970, after nearly three decades of distinguished service providing logistical support to the fleet.

USS Chevalier (DD-805) was a Fletcher-class destroyer commissioned by the United States Navy in 1944. Named after Lieutenant Commander Godfrey Chevalier, a pioneer in naval aviation, the ship served with distinction in the Pacific Theater during World War II, participating in bombardments, screening operations, and rescue missions. After the war, Chevalier took part in Korean War operations, providing gunfire support and escort services. The destroyer continued to serve through the Cold War before being decommissioned in 1975 and later transferred to South Korea.

USS Chilula (AT-153) was a Cherokee-class fleet tug commissioned by the United States Navy in 1945. Built at the Charleston Shipbuilding & Dry Dock Company in South Carolina, she served during the final months of World War II, providing towing and salvage services for the Atlantic Fleet. After the war, Chilula continued her support duties, assisting in fleet operations along the East Coast and in the Caribbean. The vessel was decommissioned in 1971 and ultimately struck from the Naval Vessel Register, concluding over two decades of distinguished service.