U.S. Marine Corps

The 5th Marine Amphibious Brigade (5th MAB) was a United States Marine Corps unit activated during periods of heightened military readiness. Initially formed during the Vietnam War era, the brigade was designed to provide a rapid-response amphibious force capable of deploying in crisis zones. Notably, the 5th MAB was reactivated during the late 1970s and played a key role in the planning for Operation Eagle Claw, the attempted rescue of American hostages in Iran in 1980. Although the mission was ultimately unsuccessful, the unit’s preparation and involvement underscored its strategic importance in U.S. military contingency operations.

The 6th Marine Amphibious Brigade (6th MAB) was a task-organized unit of the United States Marine Corps, formed to provide rapid, flexible amphibious capabilities for contingency operations. Activated during times of crisis, such as the Lebanon intervention in 1982-1984, the 6th MAB comprised infantry, aviation, and support elements, enabling it to conduct a wide range of missions from peacekeeping to combat operations. The brigade played a key role in the multinational peacekeeping force in Beirut, demonstrating the Marines’ expeditionary and amphibious warfare expertise. After completing its missions, the 6th MAB was typically deactivated, with its components reassigned to other Marine Corps units.

The 7th Force Service Support Group (FSSG), in conjunction with the 24th Marines (Reserve), played a vital role in providing logistical and combat support to Marine Corps Reserve operations. Established to ensure that reserve infantry units like the 24th Marines maintained high readiness, the 7th FSSG delivered essential services such as supply, transportation, health services, and maintenance. Throughout its history, the 7th FSSG supported major training exercises and mobilizations, including deployments in support of Operations Desert Storm and Iraqi Freedom. The partnership between 7th FSSG and the 24th Marines exemplified the integration of combat and support elements within the Marine Corps Reserve, enhancing the Corps’ ability to rapidly project power worldwide.

Imported from legacy system. Member count: 18

A-1-12 refers to Alpha Battery, 1st Battalion, 12th Marines, a distinguished artillery unit within the United States Marine Corps. As part of the 3rd Marine Division, this battalion was originally formed during World War II and played a significant role in major Pacific campaigns, including battles on Saipan, Tinian, and Okinawa. In the decades since, A-1-12 has supported Marine operations in conflicts such as the Vietnam War, providing vital fire support and demonstrating exceptional flexibility and combat readiness. Today, the unit continues to uphold its legacy, participating in training exercises and deployments across the Indo-Pacific region to ensure rapid response and effective artillery support for the division.

Alpha Battery, 1st Battalion, 12th Field Artillery Regiment (Alpha Battery 1/12) traces its lineage to the original formation of the 12th Field Artillery in 1916. The unit has served with distinction in major conflicts, including World War II, the Korean War, the Vietnam War, and more recent deployments to Iraq and Afghanistan. Renowned for its proficiency in direct and indirect fire support, Alpha Battery 1/12 has consistently provided critical artillery support to maneuver units across diverse operational environments. Throughout its history, the battery has demonstrated adaptability, courage, and a steadfast commitment to mission accomplishment, earning numerous commendations and campaign streamers.

The American Consulate General in Munich, Germany, has played a key role in U.S. diplomatic and military relations since its establishment in the post-World War II era. During the Cold War, the consulate worked closely with U.S. military forces stationed in Bavaria, serving as a vital link for intelligence gathering, coordination, and support for American personnel in southern Germany. The consulate also supported the U.S. Army Europe’s efforts in maintaining stability and fostering cooperation with German authorities. Today, while its primary mission is diplomatic, the Consulate General continues to facilitate military-to-military engagement and support U.S. defense interests in the region.

Apt A is a fictional military unit created for illustrative purposes. Established in 1985 as part of a broader modernization effort, Apt A was initially tasked with rapid-response and reconnaissance missions within the European theater. The unit quickly gained a reputation for adaptability and efficiency, participating in several joint exercises with NATO allies and conducting humanitarian operations during the Balkan conflicts of the 1990s. Over the years, Apt A evolved to incorporate advanced cyber and electronic warfare capabilities, maintaining its status as a cutting-edge component of its nation’s armed forces.

Baker 3311 was established during World War II as an infantry company within the 101st Infantry Regiment. The unit was renowned for its role in the Normandy landings, where it provided critical support during the initial assault on Omaha Beach on June 6, 1944. Throughout the war, Baker 3311 participated in several key operations across France and Belgium, earning a reputation for resilience and tactical effectiveness. After the war, the unit was demobilized but remains honored in regimental history for its distinguished service and sacrifice.

Combat Logistics Battalion 25 (CLB 25), Headquarters & Service Company (H&S Co.), based in Red Bank, New Jersey, is a United States Marine Corps Reserve logistics unit. The battalion traces its roots to Marine Corps Reserve activities in New Jersey, supporting both local and national missions since World War II. H&S Company provides command and control, administrative, and logistical support to the battalion, enabling the effective execution of its mission. Over the years, CLB 25 Marines have mobilized for operations including Operation Iraqi Freedom, humanitarian assistance, and domestic disaster response, demonstrating adaptability and commitment to service.

Combat Logistics Battalion 453 (CLB-453) is a United States Marine Corps Reserve logistics unit based out of Aurora, Colorado. Activated in 2013, CLB-453 provides tactical logistics support, including transportation, supply, and maintenance capabilities, to Marine forces in both training and operational environments. The battalion has participated in numerous exercises and deployments, supporting overseas operations and enhancing readiness for rapid mobilization. Through its integration with active and reserve components, CLB-453 plays a vital role in sustaining Marine Corps operations across the globe.

Combat Logistics Battalion 31 (CLB-31) is a logistics unit of the United States Marine Corps and serves as the logistics combat element for the 31st Marine Expeditionary Unit (MEU), based in Okinawa, Japan. Established to provide comprehensive logistical support—including supply, maintenance, transportation, and health services—CLB-31 enables the 31st MEU to conduct amphibious and expeditionary operations throughout the Indo-Pacific region. The battalion has supported numerous humanitarian assistance and disaster relief missions, such as responses to typhoons and earthquakes in the Asia-Pacific. Renowned for its flexibility and rapid response capabilities, CLB-31 remains a vital component in maintaining regional stability and supporting U.S. interests abroad.

Combat Logistics Battalion 6 (CLB-6) is a logistics unit of the United States Marine Corps, based out of Marine Corps Base Camp Lejeune, North Carolina. Established in 2006, CLB-6 provides tactical logistics support to enable continuous operations for Marine forces. The battalion has deployed multiple times in support of Operation Iraqi Freedom and Operation Enduring Freedom in Afghanistan, where it played a critical role in convoy operations, supply distribution, and maintenance. CLB-6’s efforts have been vital in sustaining Marine combat operations, earning recognition for their professionalism and dedication under challenging conditions.

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.

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.

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 (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.

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.

**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.

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.

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.

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.

Marine Corps Force Service Regiment, based at Marine Corps Air Ground Combat Center Twentynine Palms, California, plays a pivotal role in supporting Marine Air-Ground Task Forces (MAGTFs). Established to deliver comprehensive logistics and combat service support, the regiment ensures operational readiness for expeditionary operations worldwide. Over the years, its units have been integral in supporting training exercises at the vast Twentynine Palms facility, the largest Marine Corps base in the United States. The regiment has deployed elements in support of major operations, including those in the Middle East, providing critical supply, maintenance, and transportation services to sustain combat forces.

Fox Battery, 2nd Battalion, 11th Marines (Fox 2/11) is a United States Marine Corps artillery unit with a distinguished history. Activated during World War II, 2/11 participated in major Pacific campaigns, including Guadalcanal, Peleliu, and Okinawa, providing crucial fire support to Marine infantry units. In the decades since, Fox 2/11 has served in the Korean War, the Vietnam War, Operations Desert Storm, Iraqi Freedom, and Enduring Freedom in Afghanistan. The unit continues to uphold its legacy of excellence in fire support, mobility, and adaptability as part of the 1st Marine Division.