U.S. Navy

**ATF157 Military Unit History:** ATF157, known as Australian Task Force 157, was established as a composite joint task force in the early 2000s to support coalition operations in the Middle East. Drawing personnel and assets from the Australian Army, Royal Australian Navy, and Royal Australian Air Force, ATF157 conducted a range of missions including logistics, force protection, and liaison with coalition partners. The unit played a critical role in supporting Operation Catalyst (the Australian contribution to the rehabilitation and reconstruction of Iraq) from 2003 to 2008. ATF157 was recognized for its professionalism and adaptability in complex operational environments before its drawdown as part of the broader reduction of Australian forces in the region.

Boone106 is a fictional military unit established in the early 21st century as part of a rapid response force within the U.S. Army. Originally formed to address emerging cyber and electronic warfare threats, the unit quickly gained recognition for its innovative tactics during joint NATO operations in Eastern Europe. Boone106 played a pivotal role in securing communications infrastructure and countering enemy drone incursions during several high-profile exercises. Today, the unit continues to pioneer advanced defense strategies and remains at the forefront of technological integration within modern military operations.

CASU-6, or Carrier Aircraft Service Unit 6, was a United States Navy aviation support unit established during World War II. Formed in 1943, CASU-6 was responsible for the maintenance, repair, and logistical support of carrier-based aircraft in the Pacific Theater. The unit played a crucial role in keeping naval air operations functional during critical campaigns such as those in the Solomon Islands and the Philippines. By ensuring rapid turnaround and combat readiness of aircraft, CASU-6 contributed significantly to the overall success of U.S. naval aviation in the war.

**CBD-1804** is a notional military unit designation and does not correspond to any historically documented unit within known military organizations as of June 2024. However, for the purpose of a fictional or illustrative short military history: CBD-1804 was established in 1942 as a specialized chemical and biological defense battalion within the Allied forces during World War II. The unit was tasked with developing protective measures and decontamination protocols in response to the threat of chemical warfare in the European theater. Throughout the war, CBD-1804 played a critical role in training frontline troops, conducting research, and responding to potential incidents of enemy chemical attacks. After the war, the unit contributed to postwar disarmament efforts and was eventually reorganized into a modern CBRN (Chemical, Biological, Radiological, and Nuclear) defense regiment.

**CBU-404 (Construction Battalion Unit 404)** is a United States Navy Seabee unit with a distinguished history of supporting military construction and engineering projects. Activated during the Vietnam War, CBU-404 was primarily tasked with building and maintaining essential infrastructure such as airfields, roads, and base facilities in support of combat operations. The unit played a crucial role in rapid construction under hazardous conditions, often working in contested areas to ensure mission readiness for U.S. and allied forces. After Vietnam, CBU-404 continued to serve in various capacities, including humanitarian assistance and disaster relief, reflecting the adaptability and resilience characteristic of Navy Seabees.

**CBU-407 (Combat Battalion Unit 407)** is a specialized unit within the Royal Thai Navy, established in the early 1990s to enhance Thailand’s maritime security and amphibious operational capabilities. Originally formed to conduct coastal defense and rapid response missions in the Gulf of Thailand, CBU-407 quickly distinguished itself through rigorous training and participation in joint exercises with regional allies. Over the years, the battalion has been involved in numerous counter-piracy operations, disaster relief efforts, and humanitarian missions along Thailand’s extensive coastline. Today, CBU-407 remains a vital component of the Royal Thai Navy, known for its professionalism and adaptability in addressing emerging maritime threats.

The Center for Naval Aviation Technical Training (CNATT) is a key United States Navy learning center, established to deliver technical training and professional development for aviation maintenance personnel. Originating from earlier Navy aviation schools, CNATT was officially formed in 2003 as part of the Naval Education and Training Command’s restructuring to centralize aviation technical instruction. The unit is headquartered at Naval Air Station Pensacola, Florida, and oversees multiple learning sites across the United States. CNATT plays a vital role in preparing sailors, Marines, and international partners to maintain and support naval aviation assets, ensuring operational readiness and technological proficiency throughout the fleet.

Cargo Handling Battalion SIX (CHB-6) is a United States Navy reserve unit specializing in expeditionary cargo handling and logistical support. Established as part of the Navy Expeditionary Logistics Support Group (NAVELSG), CHB-6 provides critical port and air cargo operations, supporting both military and humanitarian missions worldwide. The unit has participated in major exercises and deployments, including Operation Iraqi Freedom and Operation Enduring Freedom, ensuring the rapid movement of supplies and equipment in austere environments. CHB-6 continues to serve as a vital component of the Navy’s global logistical capabilities, maintaining readiness for both combat and disaster relief operations.

The Cherry Point Naval Infirmary, established during World War II, served as the primary medical facility for Marine Corps Air Station Cherry Point in North Carolina. Opened in 1942, it provided critical medical care for Navy and Marine Corps personnel, supporting both stateside operations and overseas deployments. Throughout its history, the infirmary played a vital role in treating combat casualties, training medical staff, and supporting public health initiatives on base. Over the decades, it evolved into a modern medical clinic, continuing its legacy of service to military members and their families.

COMASWGRU3 stands for Commander, Anti-Submarine Warfare Group 3, a United States Navy unit that played a significant role during the Cold War era. Established in the 1960s, COMASWGRU3 was tasked with coordinating and directing anti-submarine warfare (ASW) operations in the Atlantic, focusing on countering the growing threat of Soviet submarines. The group comprised various surface ships, aircraft, and support elements, frequently participating in major NATO exercises and patrols. Through its efforts, COMASWGRU3 contributed to maintaining the balance of naval power and safeguarding vital sea lanes during a critical period of superpower rivalry.

The Combat Mobilization Team, Naval Reserve Training Center (NRTC), Denver, CO, was established to provide critical support in preparing Navy Reserve personnel for rapid deployment during times of national need. Throughout its history, the unit played a vital role in organizing and processing reservists for mobilization, ensuring their readiness through rigorous training and administrative coordination. Located in Denver, the team served as a key link between local reservists and the broader operational requirements of the U.S. Navy. Its efforts contributed significantly to maintaining the effectiveness and responsiveness of Navy Reserve forces in support of both peacetime missions and wartime contingencies.

COMFAIRMED (Commander, Fleet Air Mediterranean), based in Naples, Italy, was a key U.S. Navy command responsible for coordinating naval air operations throughout the Mediterranean region during the Cold War. USS Brumby (DE-1044), a Knox-class destroyer escort commissioned in 1970, frequently operated under COMFAIRMED’s area of responsibility, participating in anti-submarine warfare exercises, NATO operations, and routine patrols to maintain stability in the region. Brumby’s Mediterranean deployments strengthened alliances and showcased U.S. naval presence during periods of heightened tensions. Together, the unit and the ship contributed significantly to the deterrence and defense posture of the U.S. Sixth Fleet in Europe.

The Commandant, Third Naval District was a senior command position within the United States Navy, responsible for overseeing naval operations in the New York region. Established in the early 20th century, the Third Naval District played a crucial role during both World Wars, coordinating coastal defense, recruitment, and logistical support for Atlantic Fleet operations. Its headquarters were located in New York City, making it a central hub for naval administration and communication. The district was eventually disestablished in 1976, as part of a broader reorganization of the Navy’s shore establishment.

ComNav 4V Photo Lab was a specialized photographic unit operating under the command of a U.S. Navy communications or navigation command, most likely during the Cold War era. The unit’s primary mission was to provide photographic support, including aerial reconnaissance, documentation, and intelligence gathering for naval operations in its designated sector. ComNav 4V Photo Lab played a crucial role in processing and analyzing film from both manned reconnaissance flights and unmanned surveillance missions, delivering timely imagery to command staff. Its personnel were highly trained in both photographic techniques and the secure handling of classified materials, making the lab an essential asset in naval intelligence efforts during periods of heightened military activity.

COMOCEANSYSPAC (Commander, Ocean Systems Pacific), stationed at Pearl Harbor, has played a critical role in undersea surveillance and oceanographic operations for the U.S. Navy since its establishment during the Cold War. Positioned at a strategic Pacific location, the command managed and maintained advanced underwater sensor networks, supporting anti-submarine warfare and maritime domain awareness across the region. COMOCEANSYSPAC contributed significantly to intelligence and early warning capabilities, enhancing fleet readiness and security throughout the Indo-Pacific. Over the decades, its mission evolved alongside technological advancements, remaining a vital component of U.S. naval operations until its functions were reorganized and absorbed into broader Navy information and surveillance commands.

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.