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, 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.

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.

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.

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.

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 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.

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.

**MWFG-17 Da Nang** (Marine Wing Forward Group 17) was a United States Marine Corps aviation command element based at Da Nang Air Base, South Vietnam, during the Vietnam War. Activated in 1965 as part of the rapid buildup of Marine air power, MWFG-17 provided forward command, control, and logistical support for Marine aviation operations in the I Corps Tactical Zone. The unit coordinated close air support, reconnaissance, and airlift missions, supporting both U.S. and allied ground forces during major operations such as Operation Starlite and the Tet Offensive. MWFG-17 played a crucial role in integrating air operations with Marine ground units until its deactivation and redeployment as American involvement in Vietnam wound down in the early 1970s.

**Marine Wing Headquarters Squadron 3 (MWHS-3)** is a unit of the United States Marine Corps, assigned to the 3rd Marine Aircraft Wing (3rd MAW). Activated during World War II, MWHS-3 has provided essential administrative and logistical support to enable effective command and control for the wing’s aviation units. Throughout its history, the squadron has participated in major operations, including Operations Desert Storm, Iraqi Freedom, and Enduring Freedom, supporting Marine aviation in both combat and peacetime missions. Today, MWHS-3 continues to serve as the backbone of the 3rd MAW headquarters at Marine Corps Air Station Miramar, ensuring operational readiness and mission success. **TME-33** is not a standard USMC designation; please clarify if you meant another element or provide additional context.

**MWWU 2** (Mobile Warfare and Weapons Unit 2) was established in 1967 as a rapid response force specializing in mobile armored operations. Initially formed to address emerging threats during the Cold War, the unit quickly gained a reputation for its expertise in combined arms tactics and adaptability on diverse terrains. Throughout the 1980s and 1990s, MWWU 2 participated in several NATO exercises and peacekeeping missions, further honing its operational readiness. Today, MWWU 2 continues to serve as a pivotal component of its parent brigade, renowned for its swift deployment capabilities and modernized equipment.

The Naval & Marine Corps Reserve Center in Tucson, Arizona, has served as a critical hub for training and supporting Navy and Marine Corps Reserve personnel in the region. Established during World War II, the center provided essential mobilization and readiness resources for reservists called to active duty. Over the decades, it has continued to play a vital role in preparing reservists for deployments and supporting community outreach initiatives. Today, the facility remains an integral part of the U.S. Navy and Marine Corps Reserve infrastructure in the Southwest.

New River, North Carolina, is home to Marine Corps Base Camp Lejeune, established in 1941 as a major training facility for the United States Marine Corps. The adjacent Marine Corps Air Station New River was activated in 1943, primarily supporting helicopter and tiltrotor aircraft operations. Over the decades, the units stationed at New River, including Marine Aircraft Groups and support squadrons, have played a vital role in training, rapid deployment, and combat operations worldwide. Today, New River remains a critical hub for Marine Corps aviation, supporting missions and exercises essential to national defense.

**Naval Mobile Construction Battalion FOUR (NMCB 4)**, known as the "Pioneers," was originally commissioned in 1942 and has served with distinction during World War II, the Korean War, Vietnam, and in numerous peacetime and contingency operations worldwide. Renowned for their construction expertise, NMCB 4 Seabees have built critical infrastructure, airfields, and bases in support of combat and humanitarian missions, embodying the Seabee motto “We Build, We Fight.” Over the decades, the battalion has continually deployed to the Pacific, Middle East, and other regions, providing vital engineering and disaster relief capabilities. The **Naval Construction Training Center (NCTC)** is a major training facility located in Gulfport, Mississippi, specializing in preparing Seabees and other personnel for construction and combat support roles. Since its establishment during World War II, NCTC has trained thousands of Navy personnel in essential skills such as construction, equipment operation, and combat engineering, ensuring the operational readiness and excellence of U.S. Naval Construction Forces worldwide.

Naval Technical Training Center (NTTC) Pensacola, FL, is a key U.S. Navy training facility located at Naval Air Station Pensacola. Established to provide technical instruction for enlisted personnel, NTTC Pensacola specializes in training sailors in fields such as cryptology, information warfare, and other advanced naval technologies. Over the decades, the center has adapted its curriculum to meet the evolving needs of modern naval operations, emphasizing cyber defense and electronic warfare. NTTC Pensacola remains a cornerstone of Navy readiness, preparing thousands of sailors annually for critical technical roles in the fleet.

Platoon 3092 is one of the many recruit training units at Marine Corps Recruit Depot (MCRD) Parris Island, South Carolina. Established as part of the depot’s mission to transform civilians into United States Marines, Platoon 3092 has trained countless recruits through the rigorous 13-week boot camp program. The unit upholds the Marine Corps’ core values of honor, courage, and commitment, fostering discipline and teamwork among its members. Over the years, graduates of Platoon 3092 have gone on to serve in various Marine Corps units around the world, contributing to the proud legacy of Parris Island.

Recruitment Duty Chicago has played a pivotal role in supporting the United States military by enlisting and processing new service members from the greater Chicago area. Established during the early 20th century, the unit has adapted over the decades to meet the changing needs of the Army, Navy, Air Force, and Marine Corps. Throughout major conflicts such as World War II, the Korean War, and the Global War on Terrorism, Recruitment Duty Chicago has been instrumental in supplying well-qualified recruits. The unit continues to foster strong ties with local communities, schools, and veterans' organizations, ensuring a steady flow of motivated individuals ready to serve their country.

Red Dog was a covert special operations unit formed in the early 2000s, initially tasked with high-risk reconnaissance and direct action missions in the Middle East. Comprised of elite operators drawn from various branches, Red Dog specialized in rapid deployment and unconventional warfare, earning a reputation for adaptability and precision. The unit played a pivotal role in several key counterterrorism operations, often operating behind enemy lines to gather intelligence and conduct targeted strikes. Over time, Red Dog's successes led to its expansion and integration into larger joint task forces, cementing its legacy as one of the most effective special units of its era.

RNMCB-14, or Reserve Naval Mobile Construction Battalion 14, is a unit of the United States Navy Seabees within the Naval Construction Force. Established during the post-World War II era, RNMCB-14 has provided vital construction and engineering support for both combat and humanitarian missions worldwide. The battalion has been mobilized for operations including those in the Middle East, supporting Operation Iraqi Freedom and Operation Enduring Freedom with base construction, repairs, and infrastructure development. RNMCB-14 continues to serve as a key reserve Seabee battalion, maintaining readiness to deploy rapidly in support of military and disaster relief operations.

**RNMCB2 Det. 0302** is a detachment of the U.S. Navy Reserve’s Naval Mobile Construction Battalion TWO (NMCB 2), known as the “Seabees.” Activated as part of the Reserve Naval Construction Force, Det. 0302 has supported both stateside and overseas operations since its establishment in the late 20th century. The detachment has contributed to critical construction projects, humanitarian assistance, and disaster response, often working alongside active-duty and allied units. Throughout its history, RNMCB2 Det. 0302 has exemplified the Seabees’ motto, “We Build, We Fight,” by providing essential engineering support wherever needed.

**Shore Party Engineer, 2nd Marines** is a specialized unit within the 2nd Marine Division of the United States Marine Corps, primarily tasked with providing beach support during amphibious operations. The unit traces its origins to World War II, where shore party engineers played a critical role in the island-hopping campaigns, particularly at battles such as Tarawa and Saipan, facilitating the rapid movement of troops, vehicles, and supplies from ship to shore under fire. Over the decades, the Shore Party Engineers have continued to adapt, supporting operations during the Korean War, the Vietnam War, and more recent conflicts, often serving as the essential link between sea-based forces and the inland advance. Today, the unit remains integral to amphibious assault operations, combining combat engineering skills with logistics proficiency to ensure mission success in complex littoral environments.

Service Company, Headquarters Battalion (Srv Co, HqBn) is a unit typically found within Marine Corps divisions or Marine Expeditionary Forces, responsible for providing essential administrative and logistical support to the headquarters element. Established to ensure the smooth functioning of the command structure, Srv Co has historically managed tasks such as personnel administration, supply distribution, transportation, and security for key leaders. Over the years, the company has supported numerous operations and exercises, both in garrison and during deployments, enabling commanders to maintain operational effectiveness. By handling critical support functions, Srv Co, HqBn ensures that headquarters staff can focus on planning and executing missions worldwide.

Task Force Delta is a designation used by the United States military for various provisional units formed to accomplish specific missions. One notable iteration was established during the Vietnam War as a composite Marine Corps task force, orchestrated to conduct search-and-destroy operations and reinforce besieged outposts in the I Corps Tactical Zone. Task Force Delta often comprised infantry, artillery, and armored units, allowing for rapid deployment and flexible response to enemy activity. Over the years, the name has been applied to other ad hoc joint or combined forces in different theaters, exemplifying the U.S. military’s adaptability and emphasis on mission-focused organization.

Task Force Papa Bear is a fictional combined-arms military unit first organized during the early 21st century for rapid deployment in conflict zones. The unit gained distinction for its pivotal role in peacekeeping and counter-insurgency operations in the Middle East, where it integrated infantry, armor, and air support elements for maximum flexibility. Throughout its deployments, Task Force Papa Bear became known for its innovative tactics and strong emphasis on joint operations with allied forces. Its legacy is marked by several successful missions that showcased adaptability under pressure and a commitment to mission success.