USMC
379,090 members•1,273 units
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Over 3,064,780 active members
379,090 members•1,273 units
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COMMARFORPAC
U.S. Marine Corps
Marine Forces Pacific (COMMARFORPAC) is the United States Marine Corps' largest field command and serves as the Marine Corps component of the United States Indo-Pacific Command. Established in 1992, COMMARFORPAC is headquartered at Camp H. M. Smith, Hawaii, and is responsible for organizing, training, and equipping Marine forces for operations throughout the vast Indo-Pacific region. Throughout its history, COMMARFORPAC has played a critical role in numerous joint and combined exercises, humanitarian missions, and crisis responses, reinforcing U.S. presence and commitments in the Asia-Pacific. The command oversees significant forward-deployed Marine forces in Japan, Korea, and other locations, maintaining readiness to respond rapidly to contingencies across the theater.
Criminal Investigator
U.S. Marine Corps
The Criminal Investigator, often known as a CID Special Agent, is a specialized role within the United States Army Military Police Corps, formally established in 1918 during World War I to address issues of crime and discipline among troops. Over the decades, the unit expanded its responsibilities to include investigating serious felonies, fraud, and war crimes both on domestic soil and in combat zones abroad. Throughout World War II, the Korean War, and subsequent conflicts, Criminal Investigators played a crucial role in maintaining law and order within the ranks, gathering evidence, and conducting sensitive investigations. Today, Army Criminal Investigators serve as key components of military law enforcement, collaborating with other agencies to ensure the integrity and security of U.S. military operations worldwide.
CSSB-10
U.S. Marine Corps
Combat Sustainment Support Battalion 10 (CSSB-10) is a logistics unit within the United States Army, typically assigned to provide multifunctional sustainment support to combat and support units. Activated in the early 21st century, CSSB-10 has supported multiple operations, including deployments in the Global War on Terrorism, providing vital transportation, supply, maintenance, and distribution services. The battalion has operated in diverse environments, from desert theaters in the Middle East to training exercises at home and abroad. Through its dedicated service, CSSB-10 has enhanced operational readiness and played a crucial role in ensuring mission success for supported units.
D31 OSUT Fort Leonard Wood
U.S. Marine Corps
D31 OSUT (One Station Unit Training) at Fort Leonard Wood is a U.S. Army training unit responsible for transforming civilian recruits into combat-ready Soldiers. Located at Fort Leonard Wood, Missouri, D31 OSUT provides a combined Basic Combat Training (BCT) and Advanced Individual Training (AIT) experience, primarily for Military Occupational Specialties such as Combat Engineer (12B) and Military Police (31B). The unit has a proud history of instilling discipline, technical skills, and Army values in its trainees. Over the years, D31 OSUT has played a vital role in preparing Soldiers for service in various operations and deployments worldwide.
Det 2 MTM Co (-) 4th Maintenance BN, Augusta, GA
U.S. Marine Corps
Detachment 2, Maintenance Team Maintenance Company (-), 4th Maintenance Battalion (Det 2 MTM Co (-), 4th Maint BN) was a United States Marine Corps Reserve unit based in Augusta, Georgia. The unit’s primary mission was to provide intermediate-level maintenance support for Marine Corps equipment, including vehicles and weapon systems, to ensure operational readiness for supported units. Throughout its history, Det 2 participated in numerous training exercises and supported deployments, including mobilizations during Operations Desert Shield/Desert Storm and Operation Iraqi Freedom. The detachment played a vital role in augmenting active-duty maintenance capabilities and fostering community ties in the Augusta region until its deactivation during force structure realignments in the 2010s.
Embassy Duty Costa Rica
U.S. Marine Corps
**Military History of Embassy Duty Costa Rica:** The United States Marine Security Guard Detachment, commonly known as "Embassy Duty Costa Rica," was established at the U.S. Embassy in San José in the mid-20th century as part of the Marine Corps Embassy Security Group’s global mission. Marines assigned to this unit are responsible for safeguarding American diplomatic personnel and classified information, as well as protecting U.S. property within the embassy compound. Over the decades, the detachment has played a vital role during periods of political unrest and natural disasters, providing security and support to embassy operations. The unit continues to uphold the highest standards of vigilance and professionalism as representatives of the U.S. military in Costa Rica.
EWTGLANT Virginia Beach
U.S. Marine Corps
Expeditionary Warfare Training Group, Atlantic (EWTGLANT), based in Virginia Beach, Virginia, was established to provide advanced training and education in expeditionary warfare to Navy and Marine Corps personnel. Originating in the post-World War II era, the unit has evolved to meet the changing demands of amphibious and littoral operations. EWTGLANT plays a crucial role in preparing forces for joint and combined operations through courses in naval gunfire, close air support, and amphibious planning. Over the decades, the unit has supported every major U.S. expeditionary campaign on the Atlantic side, ensuring readiness and tactical proficiency for deploying forces.
First Marine Division Batallion Headquarters
U.S. Marine Corps
The Headquarters Battalion, 1st Marine Division has served as the nerve center of the "Blue Diamond" Division since its activation on February 1, 1941 at Camp Elliott, California. During World War II, the battalion provided critical command and control support in major campaigns including Guadalcanal, Peleliu, and Okinawa. In the Korean War, Headquarters Battalion coordinated divisional operations at pivotal battles such as the Inchon landing and the Chosin Reservoir. The unit continued its legacy through the Vietnam War, the Gulf War, and deployments in Iraq and Afghanistan, providing essential leadership, communications, and logistical support to ensure mission success.
FLC GUN TRUCKS NAM
U.S. Marine Corps
The FLC Gun Trucks were an innovative and vital component of U.S. Marine Corps logistics operations during the Vietnam War. FLC (Force Logistics Command) Gun Trucks were standard cargo vehicles, such as 2½-ton or 5-ton trucks, modified with armor plating and mounted machine guns—often M60s or .50-caliber Brownings—to protect convoys from ambushes along dangerous supply routes. These ad-hoc gun trucks were crewed by determined Marines who provided mobile firepower and rapid response against Viet Cong and North Vietnamese Army attacks, especially during convoy operations to areas like Da Nang and Chu Lai. The FLC Gun Trucks exemplified Marine adaptability and played a crucial role in ensuring the safe delivery of supplies and personnel throughout I Corps in South Vietnam.
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)