U.S. Marine Corps

Marine Observation Squadron 2 (VMO-2) was a United States Marine Corps aviation unit established during World War II in 1943. Originally flying observation and liaison missions with aircraft such as the OY-1, VMO-2 provided critical artillery spotting and reconnaissance support in the Pacific Theater, including the battles of Peleliu and Okinawa. Reactivated for the Vietnam War, the squadron operated OV-10 Bronco aircraft, conducting aerial reconnaissance, forward air control, and close air support missions from 1968 to 1971. VMO-2 continued to serve in various capacities until its deactivation in 1993, leaving a legacy of versatile combat support and aerial observation within Marine Corps aviation history.

The 15th Marine Expeditionary Unit’s Marine Service Support Group (15th MEU MSSG) served as the logistics combat element of the 15th MEU, providing vital supply, maintenance, transportation, medical, and engineering support. Activated in the 1980s, the MSSG accompanied the MEU on numerous deployments, including operations in the Persian Gulf, Somalia, East Timor, and Afghanistan. The group played a key role in humanitarian assistance, disaster relief, and combat operations, ensuring the MEU’s sustained operations ashore and afloat. In the mid-2000s, the MSSG was reorganized and redesignated as the Combat Logistics Battalion 15 (CLB-15) to better align with evolving Marine Corps logistics doctrine.

The 1st Marine Brigade (MAG-24), officially designated as Marine Aircraft Group 24, is a key aviation unit of the United States Marine Corps based at Marine Corps Base Hawaii. Formed during World War II, MAG-24 played a critical role in supporting amphibious operations across the Pacific, providing air support, assault transport, and reconnaissance. Over the decades, the unit has participated in major conflicts, including the Vietnam War, where it delivered vital air support and troop mobility. Today, MAG-24 remains an essential component of the 1st Marine Aircraft Wing, supporting expeditionary operations and joint training exercises in the Indo-Pacific region.

The 3rd Battalion, 14th Marine Regiment (3/14th Marines) is a reserve artillery battalion of the United States Marine Corps Reserve, headquartered in Bristol, Pennsylvania. Activated in 1943 during World War II, the battalion served with distinction in the Pacific Theater, supporting major campaigns such as Iwo Jima. The battalion has since participated in numerous operations, including deployments during the Gulf War, Operation Iraqi Freedom, and Operation Enduring Freedom, providing vital artillery support for Marine and joint forces. Throughout its history, 3/14th Marines has exemplified the Marine Corps' values of honor, courage, and commitment in both combat and peacetime missions.

The 4th Reconnaissance Battalion (4th RECON) is a unit of the United States Marine Corps Reserve, originally activated in 1952. Its primary mission is to conduct amphibious reconnaissance, ground reconnaissance, and surveillance in support of Marine Air-Ground Task Force (MAGTF) operations. Throughout its history, 4th RECON has participated in major training exercises and has supported operations such as the Global War on Terror, with elements deploying to Iraq and Afghanistan. The battalion is headquartered in San Antonio, Texas, and continues to serve as a critical force multiplier within the USMC Reserve component.

Headquarters and Maintenance Squadron 31 (H&MS-31) was a United States Marine Corps aviation support unit originally activated to provide administrative, supply, and intermediate aircraft maintenance support for Marine Aircraft Group 31 (MAG-31). The squadron was first established during World War II and played a critical role in ensuring the operational readiness of the group's aircraft in the Pacific Theater. Throughout the Cold War, H&MS-31 continued its mission, supporting Marine fighter squadrons at various locations, most notably at Marine Corps Air Station Beaufort, South Carolina. In the late 1980s, following a Corps-wide reorganization, H&MS-31 was redesignated as Marine Aviation Logistics Squadron 31 (MALS-31), continuing its legacy of vital aviation logistics support.

Marine Light Attack Helicopter Squadron 169 (HMLA-169), known as the "Vipers," was activated on 30 September 1971 at Marine Corps Air Station Camp Pendleton, California. Originally designated as HMA-169, the squadron began flying the AH-1J SeaCobra, later transitioning to the AH-1W Super Cobra and the UH-1N Huey helicopters. HMLA-169 has participated in numerous operations, including Operation Desert Storm in 1991, Operation Iraqi Freedom, and Operation Enduring Freedom in Afghanistan, providing close air support, armed escort, and utility support for Marine ground forces. The squadron continues to serve as a vital component of the Marine Air-Ground Task Force, supporting both combat and humanitarian missions worldwide.

HMH-461, also known as "Ironhorse," is a United States Marine Corps heavy helicopter squadron based at Marine Corps Air Station (MCAS) New River, North Carolina. Activated in 1944 during World War II, the unit originally flew transport and cargo missions in the Pacific Theater. Over the decades, HMH-461 has operated various aircraft, most notably the CH-53E Super Stallion and, more recently, the CH-53K King Stallion, providing heavy-lift capabilities for the Marine Air-Ground Task Force. The squadron has participated in numerous combat and humanitarian operations worldwide, earning a distinguished record for its service and adaptability.

Marine Heavy Helicopter Squadron 465 (HMH-465), known as "Warhorse," was activated on December 1, 1981, at Marine Corps Air Station Tustin, California. As the first West Coast squadron equipped with the CH-53E Super Stallion, HMH-465 has played a vital role in Marine Corps heavy-lift helicopter operations. The squadron has participated in numerous deployments and operations, including combat support during Operations Desert Shield and Desert Storm, Operation Iraqi Freedom, and Operation Enduring Freedom. Over the decades, HMH-465 has earned a reputation for excellence in supporting expeditionary missions, humanitarian assistance, and training exercises worldwide.

Marine Medium Helicopter Squadron 164 (HMM-164), also known as the "Knightriders," was activated on July 1, 1964, at Marine Corps Air Facility Santa Ana, California. The squadron quickly deployed to Vietnam, where it played a vital role in troop transport, medevac, and resupply missions using CH-46 Sea Knight helicopters. HMM-164 participated in major operations throughout the Vietnam War, earning multiple unit commendations for its distinguished service. Following Vietnam, the squadron continued to support Marine Corps operations worldwide until it was redesignated as VMM-164 in 2015, transitioning to the MV-22 Osprey tiltrotor aircraft.

Headquarters Headquarters Squadron (HQHQRON), Marine Corps Air Station (MCAS) Kaneohe Bay, Hawaii, serves as the administrative and support backbone for the air station's operations. Established during World War II, MCAS Kaneohe Bay played a pivotal role in Pacific defense, including being attacked during the opening moments of the Pearl Harbor attack on December 7, 1941. Over the decades, HQHQRON has managed essential command, logistical, and personnel functions, supporting aviation units and missions throughout the Asia-Pacific region. Today, HQHQRON continues to provide critical support to ensure mission readiness for Marine Corps aviation and tenant commands stationed at MCAS Kaneohe Bay.

Marine Aviation Logistics Squadron 31 (MALS-31), known as the "Stingers," was activated on 1 March 1943 as Headquarters Squadron 31 during World War II. The unit supported Marine Aircraft Group 31 (MAG-31) in various Pacific Theater operations, including the battles of Okinawa and the occupation of Japan. Throughout the Cold War and into the 21st century, MALS-31 has provided aviation logistics support for Marine Corps aircraft, most notably for F/A-18 Hornet squadrons at Marine Corps Air Station Beaufort, South Carolina. The squadron continues its mission today, ensuring operational readiness for Marine aviation assets through maintenance, supply, and ordnance support.

Marine Corps Recruit Depot (MCRD) refers to two primary United States Marine Corps training facilities: MCRD San Diego, established in 1921, and MCRD Parris Island, which has trained Marines since 1915. Both depots are responsible for transforming recruits into Marines through rigorous basic training and instilling the Corps' core values. Over the decades, MCRDs have played a pivotal role in preparing Marines for service in every major conflict from World War I to the present day. Their enduring legacy is a testament to their crucial function in shaping the identity and fighting spirit of the United States Marine Corps.

Marine Wing Support Squadron 273 (MWSS-273), known as the "Sweathogs," was activated in 1986 at Marine Corps Air Station Beaufort, South Carolina. The unit provides aviation ground support to enable the operations of Marine aviation units, including airfield services, fuel, engineering, and logistical support. MWSS-273 has deployed in support of major operations such as Operation Desert Storm, Operation Enduring Freedom in Afghanistan, and Operation Iraqi Freedom, earning multiple unit commendations. The squadron continues to play a vital role in supporting Marine Corps aviation both at home and overseas.

Marine All Weather Attack Squadron 224 (VMA(AW)-224), known as the "Bengals," was activated during World War II in May 1942 as Marine Fighter Squadron 224 (VMF-224). The squadron saw significant combat in the Pacific, participating in the battles for Guadalcanal and other key campaigns. Re-designated as VMA(AW)-224 in 1966, the unit transitioned to the A-6 Intruder and flew combat missions during the Vietnam War, providing all-weather attack capability. Over the decades, the Bengals continued to serve in various operations until their deactivation in the early 1990s.

The 1st Battalion, 24th Marines (1/24), is a distinguished infantry battalion within the 24th Marine Regiment, part of the 4th Marine Division of the United States Marine Corps Reserve. Activated during World War II, the battalion participated in key Pacific campaigns, including the fierce battles of Saipan, Tinian, and Iwo Jima. Over the decades, 1/24 has supported numerous operations and training exercises, providing ready reservist forces for national defense and overseas contingencies. In the Global War on Terror, the battalion notably deployed to Iraq, playing a crucial role in security and stability operations. Today, 1/24 continues its proud legacy, training and preparing Marines for service at home and abroad.

**3rd Force Logistics Support Group (FLSG) Bravo** was a United States Marine Corps logistics unit activated during the Vietnam War to provide comprehensive combat service support to III Marine Amphibious Force units. Established in 1967, 3rd FLSG Bravo operated mainly out of Da Nang and later at various support bases in northern South Vietnam, ensuring the steady flow of supplies, maintenance, and transportation. The unit played a crucial role during large-scale operations such as the Tet Offensive and supported Marines during intense combat in the I Corps Tactical Zone. 3rd FLSG Bravo was deactivated as part of troop reductions in Vietnam, but its legacy endures as a testament to the vital importance of logistics in modern warfare.

Headquarters and Service Battalion, Marine Corps Base Camp Lejeune, North Carolina, has played a vital role in supporting Marine Corps operations since its establishment. Formed to provide essential administrative, logistical, and operational support, the battalion ensures the effective functioning of the base and its tenant commands. Over the decades, it has adapted to evolving mission requirements, supporting training, deployment, and readiness of Marines stationed at Camp Lejeune. The battalion’s dedication contributes directly to the base’s status as a premier training and deployment platform for Marine forces on the East Coast.

Marine Medium Helicopter Squadron 163 (HMM-163), known as the "Evil Eyes," was commissioned in 1951 and has a distinguished history within the United States Marine Corps. The squadron gained recognition for its extensive combat service during the Vietnam War, where its helicopters provided assault support, troop transport, and medical evacuation under challenging conditions. HMM-163 continued its legacy with deployments in subsequent conflicts, including Operations Desert Storm and Iraqi Freedom, supporting Marine Air-Ground Task Force operations worldwide. In 2010, the squadron transitioned to the MV-22B Osprey tiltrotor aircraft and was redesignated as VMM-163, continuing its proud tradition of excellence in aviation.

**Marine Barracks NWS Earle** was established in 1943 to provide security for Naval Weapons Station Earle in Colts Neck, New Jersey, a critical facility responsible for the storage and shipment of munitions during World War II. The Marines stationed at the barracks have played a vital role in safeguarding the base's extensive ammunition depots, piers, and rail lines, ensuring the safe and efficient transfer of ordnance to the U.S. Atlantic Fleet. Over the decades, the unit has adapted to changing security requirements, providing anti-terrorism, force protection, and physical security for the installation. Today, Marine Barracks NWS Earle continues its proud tradition of vigilance, supporting both national defense and fleet readiness.

The Marine Corps Air Ground Combat Center (MCAGCC) Base Communications (Base Comm) unit provides vital communication support to the largest United States Marine Corps base, located in Twentynine Palms, California. Established to ensure secure, reliable, and modern information systems, Base Comm has played a crucial role in supporting training exercises, operational commands, and daily base activities since the center's activation in 1952. Over the decades, the unit has adapted to advancements in communications technology, maintaining robust networks and ensuring operational readiness for both peacetime and combat scenarios. Through its dedicated efforts, Base Comm enables command and control, situational awareness, and mission success for all units operating within MCAGCC.

Marine Corps Systems Command (MCSC) Albany, Georgia, serves as a key logistics and acquisition hub for the United States Marine Corps. Established to support the Marine Corps Logistics Base Albany, the unit is responsible for the procurement, fielding, and sustainment of ground weapon systems and equipment. Over the years, MCSC Albany has played a crucial role in ensuring that Marines are equipped with cutting-edge technology and reliable materiel for missions worldwide. The unit's efforts contribute significantly to maintaining the operational readiness and effectiveness of the Marine Corps.

The MOS 3051 Warehouse Clerk is a vital logistical role within the United States Marine Corps, responsible for the efficient handling, storage, and distribution of military supplies and equipment. Established to support the expanding logistical needs of modern warfare, 3051s have played crucial roles in every major conflict since World War II, ensuring units remain supplied in both peacetime and combat operations. Their duties have evolved alongside advances in technology, incorporating automated supply systems and data management tools to streamline inventory and requisition processes. As the backbone of Marine Corps supply chains, 3051 Warehouse Clerks continue to ensure operational readiness and mission success across the globe.

Marine Wing Support Squadron 374 (MWSS-374) was a United States Marine Corps aviation ground support unit based at Marine Corps Air Ground Combat Center Twentynine Palms, California. Activated in 1993, MWSS-374 provided essential aviation ground support, including airfield operations, engineering, motor transport, and fueling, to Marine Corps aviation units during training and deployments. The squadron played a key role in supporting operations in the Global War on Terror, notably deploying to Iraq and Afghanistan to sustain forward operating bases and expeditionary airfields. MWSS-374 was deactivated in March 2022 as part of force modernization initiatives within the Marine Corps.