USMC
379,109 members•1,273 units
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Over 3,064,780 active members
379,109 members•1,273 units
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MATSG23
U.S. Marine Corps
Marine Aviation Training Support Group 23 (MATSG-23) traces its origins to World War II as part of the U.S. Navy’s Naval Air Technical Training Center at Naval Air Station (NAS) Lemoore, California. The unit was formally established as MATSG-23 in 1982 to provide administrative and training support for Marines undergoing aviation technical training. Over the years, MATSG-23 has played a key role in training Marine Corps aviation maintenance and support personnel, ensuring operational readiness for Marine aviation units. Today, MATSG-23 is headquartered at NAS Lemoore and continues its mission by supporting Marines in advanced aviation training programs.
mcas beaufort
U.S. Marine Corps
Marine Corps Air Station (MCAS) Beaufort, located in South Carolina, was originally commissioned in 1943 as Naval Air Station Beaufort during World War II, serving as a training base for naval aviators. After periods of closure and reactivation, it was transferred to the U.S. Marine Corps in 1956 and became an essential hub for Marine aviation operations on the East Coast. MCAS Beaufort is home to several F/A-18 Hornet squadrons of Marine Aircraft Group 31, supporting both training and deployment readiness. In recent years, the base has also become a center for the transition to the advanced F-35B Lightning II fighter, reinforcing its strategic importance to Marine Corps aviation.
MCAS-7
U.S. Marine Corps
**Military History of MCAS-7:** Marine Corps Air Station-7 (MCAS-7) was established in 1952 as a strategic aviation hub for the United States Marine Corps during the early years of the Cold War. Originally tasked with supporting fighter-bomber squadrons, the unit played a crucial role in providing air support and logistics during both the Korean and Vietnam Wars. Over the decades, MCAS-7 expanded its mission to include helicopter operations, advanced training exercises, and rapid deployment capabilities. Today, MCAS-7 remains an essential installation, supporting Marine aviation units and joint operations both domestically and overseas.
Merchant Marines
U.S. Marine Corps
The United States Merchant Marine is a civilian auxiliary of the U.S. Navy, responsible for transporting goods, military personnel, and equipment during both peace and war. Its origins trace back to the American Revolution, when merchant ships supplemented the fledgling Continental Navy. Merchant Mariners played a crucial role in every major U.S. conflict, notably suffering high casualty rates during World War II while delivering vital supplies across dangerous, enemy-infested waters. Today, the Merchant Marine continues to support military operations worldwide, ensuring the flow of logistics and commerce in times of crisis.
Mike Battery 411
U.S. Marine Corps
Mike Battery, 4th Battalion, 11th Marines (Mike Battery 4/11), is an artillery unit of the United States Marine Corps Reserve. Established in 1943, the battery has provided fire support in major conflicts, including World War II, the Korean War, and the Global War on Terror. Mike Battery deployed in support of Operations Desert Storm, Iraqi Freedom, and Enduring Freedom, earning a reputation for precision and reliability. The unit is known for its adaptability, often serving in both traditional artillery and provisional infantry roles during overseas deployments.
MSG Copenhagen, Denmark
U.S. Marine Corps
MSG Copenhagen, Denmark is a United States Marine Security Guard (MSG) Detachment assigned to the U.S. Embassy in Copenhagen. Activated as part of the Marine Corps' global embassy security mission, the unit has been responsible for protecting American personnel, classified information, and diplomatic facilities in Denmark since its establishment. Throughout its history, MSG Copenhagen has played a vital role in supporting U.S. diplomatic operations, especially during periods of heightened security concerns in Europe. The detachment works closely with embassy staff and local security forces, serving as a critical component of U.S. security and foreign policy in Denmark.
MSSG 13
U.S. Marine Corps
Marine Service Support Group 13 (MSSG-13) was a logistics unit within the United States Marine Corps, assigned to the 13th Marine Expeditionary Unit (MEU). Activated in the early 1980s, MSSG-13 provided essential combat service support—including supply, maintenance, transportation, and medical services—during both training exercises and real-world deployments. The unit supported numerous operations, including humanitarian assistance, peacekeeping missions, and combat deployments in regions such as the Middle East and the Western Pacific. In 2006, as part of a Corps-wide reorganization, MSSG-13 was redesignated as Combat Logistics Battalion 13 (CLB-13), continuing its vital support role for the 13th MEU.
MWSS 171
U.S. Marine Corps
Unit with 301 member associations.
Naval:Marine Corp CTR, Savannah, GA
U.S. Marine Corps
The Naval/Marine Corps Composite Training Unit (CTR) in Savannah, GA, served as a critical hub for joint Navy and Marine Corps operations along the southeastern coast. Established during World War II, the unit provided advanced amphibious warfare training and logistical support for both services, capitalizing on Savannah’s strategic coastal location. Over the decades, the CTR adapted to evolving military needs, supporting Cold War readiness exercises and deploying personnel during key national emergencies. By fostering inter-service cooperation and operational excellence, the Savannah CTR played a significant role in preparing forces for global deployments and crisis response.
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)