USMC
379,089 members•1,273 units
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Over 3,064,780 active members
379,089 members•1,273 units
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MATSG-21
U.S. Marine Corps
Marine Aviation Training Support Group 21 (MATSG-21) is a United States Marine Corps unit located at Naval Air Station Pensacola, Florida. Originally established in 1942 as Marine Barracks Pensacola, the unit has evolved to support the training of Marine Corps aviation personnel. MATSG-21 provides administrative and logistical support for Marines undergoing aviation technical training at NAS Pensacola and nearby facilities. The unit plays a crucial role in preparing Marines for service in various aviation occupational specialties, ensuring the operational readiness of Marine aviation forces.
MCAS Rose Garden
U.S. Marine Corps
MCAS Rose Garden, officially known as Marine Corps Air Station Nam Phong, was a United States Marine Corps airbase located in northeastern Thailand during the Vietnam War. Established in 1972, the base primarily supported combat operations in Vietnam, Laos, and Cambodia, serving as a forward operating location for Marine Aircraft Group 15 (MAG-15) and other aviation units. The air station provided a strategic location for air support, maintenance, and logistical operations, significantly enhancing the reach and effectiveness of U.S. air power in the region. MCAS Rose Garden was returned to the Royal Thai Government in 1975 following the reduction of American involvement in Southeast Asia.
MCAS Yuma AZ Dental
U.S. Marine Corps
The MCAS Yuma AZ Dental Clinic has played a vital role in supporting the operational readiness of Marine Corps Air Station Yuma since its establishment. Tasked with providing comprehensive dental care to Marines and Sailors, the dental unit ensures personnel are deployable and mission-ready. Over the years, the clinic has adapted to advances in dental technology and military medicine, continuously improving care and services. Its dedicated staff supports both routine and emergency dental needs, contributing significantly to the health and effectiveness of MCAS Yuma’s forces.
MCB20
U.S. Marine Corps
Marine Corps Base Twenty (MCB 20), known formally as the 20th Marine Corps Engineer Battalion, was originally activated during World War II to provide essential construction and combat engineering support in the Pacific Theater. The unit played a crucial role in building airfields, roads, and fortifications under combat conditions, enabling Marine and Allied advances on key islands. After the war, MCB 20 was periodically reactivated to support operations in Korea, Vietnam, and during various Cold War contingencies, adapting to new engineering technologies and mission requirements. Throughout its history, MCB 20 earned a reputation for innovation and resilience, embodying the Marine Corps’ ethos of “Improvise, Adapt, and Overcome” in both combat and humanitarian operations.
MCCRTG-10
U.S. Marine Corps
**MCCRTG-10** (Marine Corps Combat Readiness Training Group Ten) was established in the early 1990s to enhance the combat readiness of deploying Marine units on the West Coast. Based at Marine Corps Base Camp Pendleton, MCCRTG-10 specialized in designing and conducting realistic, scenario-based training exercises that simulated modern battlefield conditions. The unit played a key role in preparing Marine battalions for operations in Iraq and Afghanistan by providing advanced pre-deployment training and evaluation. MCCRTG-10’s expertise in combined arms training contributed significantly to the operational effectiveness of Marine forces during the Global War on Terror.
MCSF Kings Bay, GA
U.S. Marine Corps
Marine Corps Security Force (MCSF) Kings Bay, GA, was established to provide dedicated security for Naval Submarine Base Kings Bay, home to the U.S. Navy’s Atlantic Fleet ballistic missile submarines. The unit’s mission centers on safeguarding strategic assets, including nuclear weapons and critical infrastructure, through highly trained Marine detachments. Over the years, MCSF Kings Bay has adapted its tactics and training to meet evolving security threats and technological advancements. The Marines stationed here play a vital role in the nation’s nuclear deterrence strategy, ensuring the safety and operational readiness of one of America’s most sensitive military installations.
Minefield Maintenance Team GDF, NAVSTA, Guantanamo Bay, Cuba
U.S. Marine Corps
The Minefield Maintenance Team GDF at Naval Station (NAVSTA) Guantanamo Bay, Cuba, was established during the Cold War to maintain and service the extensive landmine fields surrounding the naval base's perimeter. Tasked with ensuring the integrity and safety of these defensive installations, the team conducted regular inspections, mine replacement, and clearance of vegetation to prevent accidental detonations. The unit played a critical role in base security, especially during periods of heightened tensions with Cuba. With advancements in security technology and changing diplomatic relations, the team’s responsibilities were gradually reduced, leading to the eventual deactivation of the minefields in the late 1990s.
MSF Co Sabana Seca, PR
U.S. Marine Corps
MSF Company, located in Sabana Seca, Puerto Rico, is a component of the Puerto Rico National Guard with a mission focused on maintenance support. Established to provide essential logistical and mechanical support, the unit has played a crucial role in sustaining operational readiness for National Guard forces across the island. Throughout its history, MSF Co has supported a variety of missions, including disaster response operations during hurricanes and stateside mobilizations. Its personnel are trained in a broad range of technical skills, ensuring that both vehicles and equipment remain mission-capable for all assigned units.
MTACS-28
U.S. Marine Corps
Marine Tactical Air Command Squadron 28 (MTACS-28) was a unit of the United States Marine Corps established in 1989 as part of Marine Air Control Group 28, 2nd Marine Aircraft Wing. Its primary mission was to provide the Tactical Air Command Center (TACC) for the Marine Air-Ground Task Force, facilitating the command and control of aviation assets in support of Marine operations. MTACS-28 participated in numerous exercises and deployments, including support for Operations Enduring Freedom and Iraqi Freedom. The unit was deactivated in 2022 as part of the Marine Corps Force Design 2030 initiative, which aimed to modernize and restructure Marine aviation command and control capabilities.
U.S. Marine Corps Descendant (2026 - Present)
U.S. Marine Corps Spouse (2026 - Present)
U.S. Marine Corps Military Retiree (2026 - Present)
U.S. Marine Corps Other (2025 - Present)