U.S. Navy

Helicopter Anti-Submarine Squadron Light 35 (HSL-35), also known as the "Magicians," was a United States Navy helicopter squadron established on July 3, 1972. Based at Naval Air Station North Island, California, HSL-35 was the Navy's first operational Light Airborne Multi-Purpose System (LAMPS) squadron, initially flying the SH-2F Seasprite helicopter. The unit’s primary mission was anti-submarine warfare (ASW), operating from various surface combatants to detect and track enemy submarines. HSL-35 was decommissioned on September 30, 1992, after two decades of distinguished service during the Cold War era.

Inshore Boat Unit 15 (IBU 15) was a United States Navy Reserve unit specializing in coastal and port security operations. Established as part of the Navy Expeditionary Combat Command, IBU 15 provided force protection, maritime patrol, and escort duties, often in support of operations in the Middle East and other strategic locations. The unit operated small, fast boats and was tasked with defending harbors, high-value assets, and shipping lanes against asymmetric threats. IBU 15 was ultimately reorganized under the Coastal Riverine Force structure as the Navy modernized its expeditionary capabilities.

**IBU-52** is a U.S. Navy Inshore Boat Unit established as part of the Naval Coastal Warfare community, specializing in harbor and port security operations. Activated during the late 20th century, IBU-52 has supported both peacetime and combat operations, including deployments for Operations Enduring Freedom and Iraqi Freedom. The unit operates small, fast patrol craft to provide force protection, surveillance, and interdiction in littoral environments. Over its history, IBU-52 has played a critical role in safeguarding maritime assets and supporting joint operations in strategic ports and coastal areas worldwide.

**Insure Harbor Defense 201** was established in 1942 as a critical coastal defense unit tasked with protecting the strategic port facilities of Insure Harbor during World War II. The unit was equipped with a combination of coastal artillery, searchlights, and anti-aircraft batteries, providing a multilayered defense against potential enemy naval and air incursions. Throughout the war, Insure Harbor Defense 201 conducted regular drills and collaborated closely with naval patrols, ensuring the safety of vital supply convoys. After the war, the unit transitioned to a reserve status, maintaining readiness for harbor security and disaster response operations in the region.

The Integrated Combat Systems Test Facility (ICSTF) was established to advance the testing and evaluation of cutting-edge combat systems for the U.S. military. Since its inception, the unit has played a critical role in integrating and validating new technologies, including command, control, communications, and weapons systems, to ensure battlefield readiness. ICSTF supports joint and combined arms operations by simulating complex combat environments and providing realistic assessments of system performance. Over the years, the facility has contributed significantly to the modernization of military capabilities, enhancing interoperability and effectiveness across multiple service branches.

The Naval Justice School (NJS) was established in 1946 to provide legal education and training to military lawyers, known as Judge Advocates General (JAG), and legal personnel in the United States Navy, Marine Corps, and Coast Guard. Originally located in Port Hueneme, California, the school moved to Newport, Rhode Island, in 1950, where it remains today. The NJS plays a vital role in preparing JAG officers to advise commanders on military justice, operational law, and ethics, both in the United States and abroad. Over the decades, graduates of the Naval Justice School have served in every major conflict, ensuring the rule of law and ethical conduct within the naval services.

K037 is a designation that does not correspond to a widely recognized historical military unit in publicly available military records up to June 2024. It is possible that K037 refers to an internal unit code, a fictional formation, or a classified or unpublicized element within a specific nation's armed forces. Some militaries use alphanumeric codes for battalions, companies, or special detachments, but without further context, the operational history and notable actions of K037 remain unclear. If you can provide additional details (such as country, branch, or era), a more precise historical summary may be possible.

LCI-442 was a Landing Craft Infantry (Large) commissioned by the United States Navy during World War II. Launched in 1943, the vessel was designed to transport troops directly onto shore during amphibious assaults. LCI-442 participated notably in several Pacific Theater operations, including landings in the Mariana Islands and the Philippines. The ship played a vital role in delivering infantry forces under fire, supporting the Allied push toward Japan, before being decommissioned shortly after the war’s end.

LCU 1624 is a Landing Craft Utility assigned to Assault Craft Division 11 (ACDIV 11) of the United States Navy. Commissioned in the late 20th century, LCU 1624 has played a vital role in amphibious operations, providing transport for troops, vehicles, and equipment between ship and shore. Over its service history, the vessel has participated in numerous training exercises and real-world deployments, supporting Marine Expeditionary Units and humanitarian missions. Its robust design and versatility have made it a key asset in ensuring rapid and efficient beach landings for the U.S. Navy and Marine Corps.

Lightship WAL 536, also known as the "Overfalls," was a United States Coast Guard lightship constructed in 1950 and commissioned to serve as a navigational aid along the U.S. East Coast. Throughout her active service, WAL 536 was stationed at several key locations, most notably the Overfalls station off the coast of Delaware, where she warned mariners of shallow waters and dangerous shoals. The vessel was crewed by Coast Guard personnel and played a critical role in maritime safety during her operational years until being decommissioned in 1972. Today, Lightship WAL 536 is preserved as a museum ship in Lewes, Delaware, honoring her legacy and the vital service of American lightships.

Lowell Community Health Center is not a military unit; it is a healthcare organization based in Lowell, Massachusetts, dedicated to providing health services to the local community. Founded in 1970, the center has played a vital role in delivering accessible medical care, especially to underserved and diverse populations in the region. While the center is not associated with any military operations or history, it does support veterans and military families through various health programs and outreach initiatives. Its mission centers around promoting wellness, health equity, and comprehensive healthcare for all residents of Greater Lowell.

**USS Rtce County (LST-1089)** was a tank landing ship of the LST-542 class built for the United States Navy during World War II. Commissioned in May 1945, she was originally named **LST-1089** and served in the Pacific Theater, providing logistic support and transporting troops and equipment during the final stages of the war. After the war, she performed occupation duties in the Far East until early 1946. The ship was later renamed **USS Rtce County (LST-1089)** in July 1955, but saw no significant active service under that name before being decommissioned and struck from the Naval Vessel Register in 1956.

USS LST-306 was a tank landing ship built for the United States Navy during World War II. Commissioned in 1943, LST-306 participated in several key amphibious operations, including the Allied invasion of Sicily (Operation Husky) and the Salerno landings in Italy. The vessel also took part in the Normandy invasion (D-Day) in June 1944, delivering troops, vehicles, and equipment to the beaches under enemy fire. After the war, LST-306 was decommissioned in 1946 and later struck from the Naval Vessel Register.

USS LST-839 was a tank landing ship built for the United States Navy during World War II. Commissioned in December 1944, she participated in the Okinawa campaign, delivering troops and equipment to the embattled island in the spring of 1945. After the war, LST-839 performed occupation duties in the Far East before returning to the United States. In July 1955, she was renamed USS Iredell County (LST-839), later serving in the Vietnam War before being decommissioned and transferred to the Republic of Vietnam in 1967.

**Military Unit: MACV NAT42 CSC** The Military Assistance Command, Vietnam (MACV) NAT42 Combined Support Command (CSC) was a specialized support unit operating under the broader MACV structure during the Vietnam War. Formed in the late 1960s, NAT42 CSC was tasked with logistical coordination, supply chain management, and technical assistance to both U.S. and allied South Vietnamese forces in its designated sector. The unit played a crucial role in ensuring the continuous flow of materiel, equipment, and essential services during some of the conflict’s most intense periods. By facilitating joint operations and rapid resupply, MACV NAT42 CSC contributed significantly to sustaining military effectiveness in its area of responsibility until the drawdown of U.S. forces in the early 1970s.

**MarDet USS Essex (CVS-9)** refers to the Marine Detachment assigned to the aircraft carrier USS Essex (CVS-9), an Essex-class carrier commissioned in 1942. Throughout World War II, the MarDet provided shipboard security, manned secondary armament, and supported amphibious operations in the Pacific. During the Korean War and the early years of the Cold War, the detachment continued its security and ceremonial duties as Essex was modernized for anti-submarine warfare. The MarDet was disbanded in the early 1970s as the Navy phased out Marine detachments on board its ships.

The Marine Detachment (MARDET) aboard USS LEXINGTON (CVA-16) was established as part of the ship’s company during her active service in the U.S. Navy. MARDET’s primary roles included shipboard security, manning secondary batteries, ceremonial duties, and serving as a landing force if required. Throughout LEXINGTON’s distinguished career—including significant action in the Pacific during World War II and later as a training carrier—MARDET personnel contributed to both combat readiness and daily operations. The detachment was decommissioned along with the ship’s transition to a training vessel, marking the end of an era for Marines aboard the “Blue Ghost.”

The Marine Detachment (MARDET) aboard USS New Jersey (BB-62) served as the ship’s security force, ceremonial unit, and provided gun crews during her active service periods. Established with the ship’s initial commissioning in 1943, the MARDET participated in major World War II Pacific operations, including the battles of the Philippine Sea and Okinawa. Marines from the detachment contributed to shipboard defense and manned secondary batteries during combat. The MARDET continued its service through the Korean War, Vietnam War, and later deployments until the phasing out of shipboard Marine detachments in the late 20th century.

The Marine Detachment (MARDET) aboard USS Carl Vinson (CVN-70) was established shortly after the carrier’s commissioning in 1982. MARDET provided onboard security, ceremonial duties, and supported shipboard operations, including nuclear weapon security during the Cold War. Marines also participated in training for ship defense, boarding operations, and reinforced the close relationship between the Navy and Marine Corps. The tradition of Marine Detachments on Navy ships was phased out in the late 1990s, but the legacy of MARDET USS Carl Vinson remains an important chapter in both naval and Marine Corps history.

The Marine Detachment aboard USS Hunley (AS-31) was established to provide security, ceremonial duties, and support to the submarine tender during her service with the U.S. Navy from 1962 to 1994. Comprised of a small contingent of U.S. Marines, the detachment was responsible for safeguarding the ship’s sensitive operations, especially during resupply and maintenance of ballistic missile submarines. Marines aboard the Hunley also participated in shipboard drills, inspections, and represented the Navy and Marine Corps at various port calls and official functions. The detachment’s presence underscored the importance of security and discipline aboard one of the Navy’s most vital support vessels during the Cold War era.

The Marine Detachment aboard USS Saint Paul (CA-73) was established during the ship’s commissioning in 1945, in line with the U.S. Navy tradition of assigning Marine units to capital ships for security, ceremonial duties, and manning secondary batteries. The detachment served throughout the closing months of World War II, participating in Pacific operations and the occupation of Japan. During the Korean War, the Marine Detachment supported naval gunfire missions and provided shipboard security as USS Saint Paul conducted bombardments and patrols off the Korean peninsula. The detachment continued its service through the ship’s deployments during the Cold War, upholding discipline and readiness until the cruiser’s decommissioning in 1971.

Imported from legacy system. Member count: 12

MMF HOTEL is a fictional military unit often depicted as a rapid response force within modern military exercises and simulations. Established in the early 21st century, MMF HOTEL was designed to provide flexible, multi-domain operational capabilities, specializing in both urban warfare and peacekeeping missions. The unit gained recognition for its role in the 2022 multinational Exercise Iron Shield, where it demonstrated advanced interoperability with allied forces. Over the years, MMF HOTEL has become a model for integrating new technology and tactics, contributing significantly to evolving doctrines of modern maneuver warfare.

**MSCO53ROBIN/MSC203tHRASHER** is a U.S. Military Sealift Command (MSC) detachment with a distinguished history supporting naval logistics operations. Established in the early 2000s, the unit has played a critical role in providing underway replenishment and transport services for the U.S. Navy’s fleet and allied vessels across the Atlantic and Mediterranean theaters. Known for its reliability and versatility, MSCO53ROBIN/MSC203tHRASHER has participated in numerous joint exercises, humanitarian missions, and contingency operations, enhancing global maritime readiness. Its personnel are recognized for their professionalism and dedication to sustaining fleet operations under challenging conditions.