USMC
379,053 members•1,273 units
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Over 3,064,780 active members
379,053 members•1,273 units
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4th Marine Amphibious Brigade
U.S. Marine Corps
The 4th Marine Amphibious Brigade (4th MAB) was a specialized unit of the United States Marine Corps, originally activated during World War II and reactivated in the 1970s in response to increasing Cold War tensions. The brigade was tasked with rapid-response amphibious operations, particularly focused on NATO’s northern flank and the defense of Norway against possible Soviet aggression. Throughout the 1980s, the 4th MAB participated in numerous exercises and deployments, honing Arctic and cold-weather warfare capabilities. In 1988, the brigade was redesignated as the 4th Marine Expeditionary Brigade (4th MEB), continuing its mission as a flexible, forward-deployed force ready for crises and contingencies.
5th Recon BN
U.S. Marine Corps
The 5th Reconnaissance Battalion (5th Recon BN) has its origins in World War II, where it was first activated to provide critical intelligence and battlefield reconnaissance for Marine operations in the Pacific Theater. Renowned for its stealth and adaptability, the battalion participated in key island-hopping campaigns, conducting amphibious landings and gathering crucial information behind enemy lines. Post-war, the unit was reactivated and reorganized several times, supporting major conflicts such as the Korean and Vietnam Wars, where it continued to excel in reconnaissance, surveillance, and direct-action missions. Today, the 5th Recon BN remains an elite component of the Marine Corps, specializing in advanced reconnaissance and special operations in support of Marine Air-Ground Task Force (MAGTF) operations worldwide.
7th Sep.Bulk Fuel Co.
U.S. Marine Corps
The 7th Separate Bulk Fuel Company (7th Sep. Bulk Fuel Co.) is a specialized logistics unit within the United States Marine Corps, tasked with providing vital bulk fuel support to Marine Air-Ground Task Forces. Established to ensure the rapid and efficient delivery, storage, and distribution of fuel in both combat and training environments, the unit has supported numerous operations and exercises since its inception. Over the years, the 7th Sep. Bulk Fuel Co. has demonstrated its expertise in operating tactical fuel systems, enabling sustained operations for ground and aviation assets. Their contributions have been critical in maintaining the operational readiness and mobility of Marine forces worldwide.
HMM-364
U.S. Marine Corps
HMM-364, known as the "Purple Foxes," is a distinguished United States Marine Corps helicopter squadron originally activated in 1961. The unit first saw extensive combat during the Vietnam War, providing crucial assault support and medevac missions with their CH-46 Sea Knight helicopters. Renowned for their bravery, HMM-364 participated in numerous major operations, including the Siege of Khe Sanh and Operation Dewey Canyon. After Vietnam, the squadron continued to serve in various global conflicts and humanitarian missions, exemplifying the Marine Corps' commitment to rapid-response aviation support. The unit was redesignated as VMM-364 in 2012, transitioning to the MV-22B Osprey tiltrotor aircraft.
HqSvc Co, OCS, MCDEC, Quantico, VA
U.S. Marine Corps
Headquarters and Service Company (HqSvc Co), Officer Candidates School (OCS), Marine Corps Development and Education Command (MCDEC), Quantico, Virginia, has played a key support role in the training and evaluation of future Marine Corps officers. Established to provide administrative, logistical, and operational assistance, HqSvc Co ensures the smooth functioning of OCS programs. Throughout its history, the unit has facilitated the rigorous screening and preparation of officer candidates, upholding the traditions and standards of the Marine Corps. Stationed at Quantico—known as the “Crossroads of the Marine Corps”—HqSvc Co remains integral to the development of Marine leaders.
MACS 4
U.S. Marine Corps
Marine Air Control Squadron 4 (MACS-4) is a United States Marine Corps aviation command and control unit that was originally activated during World War II in 1944. The squadron has a storied history, providing air surveillance, air traffic control, and air defense capabilities in support of Marine Corps operations. MACS-4 played significant roles during the Korean War, Vietnam War, and has participated in numerous exercises and operations throughout the Asia-Pacific region. Today, MACS-4 remains a key component of the 1st Marine Aircraft Wing, supporting expeditionary air operations and enhancing the Corps' ability to control the battlespace.
MACS5
U.S. Marine Corps
Marine Air Control Squadron 5 (MACS-5) was a United States Marine Corps aviation command and control unit. Activated during World War II, the squadron provided aerial surveillance, airspace management, and early warning capabilities for Marine aviation operations. Throughout its history, MACS-5 supported various exercises and deployments, contributing significantly to the Marine Corps’ air defense missions. The unit was eventually deactivated as part of post-Cold War force reductions, but its legacy remains in the advancements it brought to Marine Corps air command and control systems.
MAG 29
U.S. Marine Corps
Marine Aircraft Group 29 (MAG-29) is a United States Marine Corps aviation unit activated on May 1, 1972, at Marine Corps Air Station (MCAS) New River, North Carolina. The group primarily provides assault support with rotary-wing and tiltrotor aircraft, supporting Marine Air-Ground Task Force (MAGTF) operations. MAG-29 has participated in numerous operations and deployments, including Operation Desert Storm, Operation Iraqi Freedom, and Operation Enduring Freedom. Over the decades, MAG-29 has played a critical role in combat operations, humanitarian assistance, and disaster relief missions worldwide.
MAG-49
U.S. Marine Corps
Marine Aircraft Group 49 (MAG-49) is a United States Marine Corps Reserve aviation unit established in 1969. Headquartered at Joint Base McGuire-Dix-Lakehurst, New Jersey, MAG-49 provides aviation combat element support, including assault support, heavy lift, and aviation logistics, to Marine Forces Reserve. Throughout its history, MAG-49 has participated in numerous training exercises and mobilizations, supporting both domestic and overseas operations such as Operation Desert Storm and Operation Iraqi Freedom. The group’s diverse squadrons operate various rotary and fixed-wing aircraft, maintaining readiness to augment active-duty Marine aviation forces when called upon.
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)