U.S. Navy

COMUSNAVSO/COMFOURTHFLT, or Commander, U.S. Naval Forces Southern Command / U.S. Fourth Fleet, traces its origins to World War II, when the original Fourth Fleet was established in 1943 to counter Axis naval threats in the South Atlantic. After deactivation in 1950, the command’s mission was assumed by other naval entities until its reestablishment in 2008 to address modern security challenges in the Caribbean, Central, and South American regions. Today, COMUSNAVSO/COMFOURTHFLT conducts a range of missions including maritime security, humanitarian assistance, disaster relief, and multinational exercises to strengthen partnerships and promote regional stability. Headquartered at Naval Station Mayport, Florida, the command operates as the naval component of U.S. Southern Command (USSOUTHCOM).

Carrier Air Group FIVE (CVG-5), later redesignated as Carrier Air Wing FIVE (CVW-5), was originally established in 1943 during World War II as a carrier-based aviation unit of the United States Navy. The unit gained distinction for its operations in the Pacific Theater, participating in key battles and supporting major campaigns. After the war, CVG-5 continued to serve through the Cold War, adapting to new aircraft and missions. In 1973, CVW-5 became the only continuously forward-deployed U.S. Navy air wing, operating from Japan aboard various aircraft carriers and playing a crucial role in maintaining regional security in the Western Pacific.

Carrier Air Wing One (CVW-1) is a distinguished United States Navy aircraft carrier air wing established in 1938, originally designated as Ranger Air Group. Throughout World War II, CVW-1 participated in major Atlantic and Pacific operations, earning a formidable combat reputation. Over the decades, the wing has operated from numerous aircraft carriers, taking part in key conflicts such as the Korean War, Vietnam War, Operation Desert Storm, and the Global War on Terrorism. Today, CVW-1 remains an integral component of U.S. naval power projection, deploying aboard carriers like USS Enterprise (CVN-65) and USS Harry S. Truman (CVN-75).

**USS Mustin (DD-413)** was a Sims-class destroyer commissioned into the U.S. Navy in 1939. During World War II, she participated in major Pacific campaigns, including the Battle of the Coral Sea, the Battle of Midway, and the Solomon Islands operations, providing vital screening and fire support. Mustin earned five battle stars before being decommissioned in 1946. During the Korean War, the **Admiral’s Staff, Hunter Killer Task Force 81** was a key naval unit tasked with anti-submarine warfare and surface action in support of United Nations operations. Operating in the Sea of Japan and surrounding waters, the staff coordinated hunter-killer groups, improving the fleet’s ability to counter enemy submarines and safeguard vital sea lines of communication.

USS Maddox (DD-732) was an Allen M. Sumner-class destroyer of the United States Navy, commissioned in 1944. She saw extensive action during World War II in the Pacific, providing fire support during landings at Iwo Jima and Okinawa and surviving several kamikaze attacks. After the war, Maddox served in the Korean War, conducting shore bombardment and patrol duties. Notably, in August 1964, Maddox was involved in the Gulf of Tonkin Incident, which led to the escalation of U.S. military involvement in Vietnam. The ship was decommissioned in 1969 and later transferred to the Republic of China Navy.

The **Deep Submergence Unit (DSU)** is a specialized component of the United States Navy focused on undersea rescue and recovery operations. Established in 1971 at Naval Air Station North Island, California, the DSU was created in response to the loss of the submarine USS Thresher (SSN-593) and the need for rapid deep-sea rescue capabilities. The unit has operated and maintained a variety of submersible vehicles, including the Deep Submergence Rescue Vehicle (DSRV), supporting both U.S. and allied submarine rescue missions worldwide. Over the decades, the DSU has played a critical role in advancing deep-sea technology and ensuring the safety of submariners through rigorous training and international collaboration.

The Defense Atomic Support Agency (DASA) operated a facility at Lake Mead Base near Las Vegas, Nevada, during the height of the Cold War. Established in the late 1950s, the base supported DASA’s mission of overseeing and coordinating U.S. nuclear weapons testing and related activities, particularly at the nearby Nevada Test Site. Personnel at Lake Mead Base provided logistical, scientific, and technical support for atomic test operations, including radiological safety and data collection. The base remained active into the early 1970s, contributing to America's nuclear readiness before its functions were absorbed by successor agencies.

The Defense Media Activity (DMA) was established on October 1, 2008, consolidating several military media organizations into a single Department of Defense field activity. Its roots trace back to World War II-era military broadcasting and print services, evolving through organizations such as the American Forces Information Service, Armed Forces Radio and Television Service, and various branch-specific media outlets. DMA’s mission is to provide news, information, and entertainment to U.S. military personnel and their families worldwide, operating platforms like the American Forces Network (AFN) and Defense Visual Information Distribution Service (DVIDS). Headquartered at Fort George G. Meade, Maryland, DMA continues to support military readiness and morale through multimedia communication and public affairs initiatives.

DSV-4 SEA CLIFF is a deep submergence vehicle (DSV) operated by the United States Navy. Commissioned in 1968, SEA CLIFF was designed for deep-ocean search and recovery missions, scientific research, and covert operations. Over the course of its service, SEA CLIFF underwent several upgrades, most notably in 1984, when it was modified to reach depths of 20,000 feet, making it one of the deepest-diving crewed submersibles in the U.S. Navy at the time. The vessel played a key role in numerous recovery operations, including the retrieval of sensitive military equipment from the ocean floor, before its retirement in 1998.

The Eighth Naval District, headquartered in New Orleans, Louisiana, was established in 1903 as part of the United States Navy's effort to provide regional administrative and operational oversight. During both World Wars, the district played a crucial role in coordinating coastal defense, shipbuilding, and naval logistics across the Gulf Coast, including vital ports and shipyards. The Eighth Naval District was instrumental in anti-submarine patrols, convoy organization, and training activities throughout the region. Following post-war restructuring and modernization, its functions were gradually absorbed by other commands, and the district was disestablished in 1971.

EPDOCONUS Bainbridge was a key administrative and processing unit within the United States Navy, primarily operational during the mid-20th century. Located at the U.S. Naval Training Center Bainbridge in Maryland, the unit was responsible for the processing and documentation of naval personnel assigned to duty outside the continental United States (OCONUS). EPDOCONUS stands for "Enlisted Personnel Distribution Office, Continental United States," and the Bainbridge detachment played a critical role during periods of large-scale mobilization, including World War II and the Cold War era. The unit ensured that sailors were properly equipped, documented, and assigned to overseas billets, supporting the Navy's global operations until the base's closure in the late 1970s.

Fleet Aviation Electronics Training Unit, Atlantic Detachment Two (FAETULANT DET TWO) was a specialized United States Navy training unit active during the Cold War era. Based at Naval Air Station Oceana, Virginia, DET TWO provided advanced technical instruction in aviation electronics, focusing on cutting-edge radar, communications, and weapons systems for naval aviators and maintenance personnel. The detachment played a crucial role in preparing aircrews for operational readiness aboard carrier-based aircraft, supporting fleet operations in the Atlantic theater. FAETULANT DET TWO was eventually disestablished as training functions were consolidated and modernized within the Navy’s broader technical training commands.

The Fleet Information Warfare Center (FIWC) was established in August 1995 by the United States Navy to centralize and advance information warfare capabilities in support of fleet operations. Located in Norfolk, Virginia, FIWC’s mission focused on providing expertise in electronic warfare, signals intelligence, information operations, and cyber warfare. The center played a critical role in developing and deploying information warfare tactics, techniques, and technologies to enhance maritime situational awareness and decision-making. In 2005, FIWC was reorganized and its functions were absorbed into the Naval Network Warfare Command (NETWARCOM), further integrating information warfare into the Navy’s operational framework.

**Military History of Fuels – VX-4:** VX-4, known as Air Test and Evaluation Squadron Four, was a United States Navy unit established in 1950 at Naval Air Station Point Mugu, California. While its primary mission focused on operational testing and evaluation of naval aircraft and weapons systems, VX-4 also maintained specialized support elements, including a Fuels division. The Fuels team was critical in ensuring the safe storage, handling, and delivery of aviation fuel for test flights and experimental aircraft, often working under stringent safety protocols due to the sensitive nature of the squadron's operations. Throughout its history, VX-4’s Fuels personnel contributed significantly to successful flight test programs, enabling advances in naval aviation tactics and technology until the squadron’s merger with VX-5 to form VX-9 in 1994.

The Harbor Defense Unit, Little Creek, VA, was established to protect the vital maritime approaches to the Norfolk and Hampton Roads area, one of the United States' most significant naval complexes. Activated during World War II, its mission included operating coastal artillery, anti-aircraft batteries, and later, radar and underwater detection systems to guard against enemy ships, submarines, and aircraft. The unit worked closely with the U.S. Navy’s amphibious forces at the Little Creek Amphibious Base, providing critical security for troop embarkation and supply operations. Over time, as threats and technology evolved, the Harbor Defense Unit adapted its role, eventually integrating into broader coastal defense and homeland security missions.

HMAS Brisbane (DDG-41) is a Hobart-class air warfare destroyer of the Royal Australian Navy, commissioned on 27 October 2018. As the second ship of her class, Brisbane is equipped with the advanced Aegis Combat System, providing superior air defense and maritime warfare capabilities. Since entering service, she has participated in key multinational exercises, such as RIMPAC and Talisman Sabre, enhancing interoperability with allied navies. HMAS Brisbane represents a significant leap in Australia’s naval capabilities, serving as a cornerstone of modern fleet air defense and power projection in the Indo-Pacific region.

HSA Taipei Tw is a military unit based in Taipei, Taiwan, with a focus on homeland security and defense. Established in the early 21st century, the unit has played a key role in safeguarding critical infrastructure and supporting civil authorities during emergencies. HSA Taipei Tw regularly participates in joint training exercises with allied forces, enhancing its capabilities in disaster response and counter-terrorism operations. Over the years, the unit has earned recognition for its professionalism and rapid mobilization in times of crisis.

Helicopter Maritime Strike Squadron Seven Four (HSM-74), known as the "Swamp Foxes," was established in 1986 as HSL-44 and later redesignated HSM-74 in March 2009. Originally based at Naval Air Station Jacksonville, Florida, the squadron transitioned from the SH-60B Seahawk to the MH-60R Seahawk helicopter, expanding its capabilities in anti-submarine and anti-surface warfare. HSM-74 has supported numerous carrier strike group deployments, providing critical maritime security, search and rescue, and reconnaissance missions. The squadron continues to serve as a vital component of the U.S. Navy's rotary-wing aviation force, maintaining a reputation for operational excellence.

**Joseph K. Taussig Division 1030** is a United States Naval Sea Cadet Corps (USNSCC) unit named in honor of Rear Admiral Joseph K. Taussig, a distinguished naval officer recognized for his service during the Spanish-American War and World War I. Established to provide youth with leadership and maritime training, Division 1030 has been active in the Mid-Atlantic region, fostering naval traditions and personal development among its cadets. Over the years, the unit has participated in numerous training exercises, community service events, and ceremonial functions, strengthening its ties to the local Navy community. Through its programs, Joseph K. Taussig Division 1030 continues to inspire future generations of naval leaders and uphold the values of honor, courage, and commitment.

The Joint Special Operations Command (JSOC) was established in 1980 as a component of U.S. Special Operations Command to study and improve special operations tactics, planning, and interservice coordination. Created in response to the failed Operation Eagle Claw rescue mission in Iran, JSOC was designed to unify elite units for complex, high-risk missions. Over the decades, JSOC has overseen operations involving units such as Delta Force, SEAL Team Six, and the 24th Special Tactics Squadron, playing critical roles in counterterrorism, hostage rescue, and direct action missions worldwide. Notable achievements include the takedown of high-value targets such as Osama bin Laden and the disruption of major terrorist networks.

**Military Unit K069** is a designation historically associated with a Ukrainian military formation. Established during the Soviet period, K069 functioned primarily as a signals or communications unit, providing crucial support to larger formations by maintaining secure lines of communication. After Ukrainian independence, the unit was integrated into the Ukrainian Armed Forces, where it continued to play an important role in both peacetime operations and during conflicts in Eastern Ukraine. Over the years, K069 has earned recognition for its professionalism, adaptability, and vital contributions to national defense.

L.S.T. 855 was a United States Navy LST-542-class tank landing ship built during World War II. Commissioned in late 1944, she served in the Pacific Theater, transporting troops, vehicles, and supplies essential for amphibious operations. After the war, L.S.T. 855 participated in occupation duties in the Far East before returning to the United States. The vessel continued to serve during the Korean War, supporting United Nations forces with logistics and transport until she was decommissioned.

LCI(M)-803 was a Landing Craft Infantry (Mortar) vessel commissioned by the United States Navy during World War II. Laid down in 1944, she was part of the LCI(L)-351-class, later converted to the mortar-armed LCI(M) configuration to provide close-in fire support during amphibious assaults. LCI(M)-803 participated in operations in the Pacific Theater, including support roles during the Okinawa campaign, where her mortars delivered suppressive fire against Japanese shore positions. After the war, she was decommissioned and eventually struck from the Naval Vessel Register, concluding her service as part of the US Navy’s amphibious forces.

LCU 1628 is a Landing Craft Utility vessel that has served with the United States Navy. Built as part of the LCU 1610-class, it was designed to transport troops, vehicles, and cargo from ship to shore during amphibious operations. Since its commissioning in the late 1970s, LCU 1628 has participated in numerous training exercises and operational deployments, supporting both peacetime and combat missions. The vessel has proven its versatility and reliability in a variety of environments, contributing significantly to the Navy's amphibious capabilities.