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H&S Co. HQBn HQMC Henderson Hall Arlington Va.
U.S. Marine Corps
Headquarters and Service Company (H&S Co.), Headquarters Battalion (HQBn), Headquarters Marine Corps (HQMC), located at Henderson Hall in Arlington, Virginia, serves as the primary administrative and support unit for HQMC personnel. Established to provide essential command, control, administrative, and logistical support, H&S Co. ensures the effective functioning of the Marine Corps' senior leadership and staff. Situated adjacent to the Pentagon, Henderson Hall has been a key site for Marine Corps operations in the National Capital Region since its establishment in 1942. Over the decades, H&S Co. has played a vital role in supporting the Marine Corps’ mission at the highest levels, adapting to evolving operational requirements and providing critical support to Marine leaders and their staffs.
HMH 461st MCAS
U.S. Marine Corps
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 Barracks, Yokosuka Japan
U.S. Marine Corps
Marine Barracks, Yokosuka, Japan, was established in 1945 following the end of World War II as part of the U.S. occupation forces in Japan. Its primary mission was to provide security for the U.S. Navy base at Yokosuka, a critical logistical and operational hub in the western Pacific. Over the years, the Marines stationed there conducted ceremonial duties, base security, and supported regional contingency operations during the Korean and Vietnam Wars. The unit was deactivated in 1992 as part of post–Cold War force reductions, with its duties assumed by other security elements at Yokosuka Naval Base.
MCAS Yuma Arizona
U.S. Marine Corps
Marine Corps Air Station (MCAS) Yuma, located in Yuma, Arizona, was originally established during World War II as Yuma Army Air Field in 1942, serving as a training base for pilots. After a brief period of deactivation post-war, the airfield was reactivated and transferred to the U.S. Marine Corps in 1959, becoming MCAS Yuma. Over the decades, it has developed into one of the premier aviation training bases for Marine Corps aviation units, supporting both fixed and rotary-wing aircraft. Today, MCAS Yuma is renowned for hosting large-scale exercises such as Weapons and Tactics Instructor (WTI) courses and supporting the Marine Corps’ premier aviation training and operational readiness.
VMA-211
U.S. Marine Corps
Marine Attack Squadron 211 (VMA-211), known as the "Wake Island Avengers," traces its origins to 1 March 1937 as VMF-211. The squadron gained fame during World War II for its heroic defense of Wake Island in December 1941, where its personnel fought valiantly against overwhelming Japanese forces. After the war, the unit transitioned through several aircraft, eventually operating the AV-8B Harrier II. VMA-211 has since participated in numerous conflicts, including the Korean War, Vietnam War, and operations in the Middle East, maintaining a legacy of excellence and adaptability within Marine Corps aviation.
VMA-223
U.S. Marine Corps
Marine Attack Squadron 223 (VMA-223), known as the “Bulldogs,” was originally commissioned on May 1, 1942, during World War II. The squadron distinguished itself in the Pacific Theater, notably participating in the Battle of Guadalcanal as one of the first Marine aviation units to operate from Henderson Field. Over the decades, VMA-223 transitioned through various aircraft, from the F4F Wildcat to the A-4 Skyhawk, and ultimately to the AV-8B Harrier II, specializing in close air support. The Bulldogs have served in numerous conflicts and remain an integral part of Marine Corps aviation, stationed at Marine Corps Air Station Cherry Point, North Carolina.
VMFA-314
U.S. Marine Corps
Marine Fighter Attack Squadron 314 (VMFA-314), known as the "Black Knights," was originally commissioned in 1943 during World War II, flying F4U Corsairs in the Pacific Theater. The squadron has since participated in major conflicts including the Korean War, Vietnam War, Operation Desert Storm, and the Global War on Terror. Over the decades, VMFA-314 has transitioned through several aircraft, most notably the F-4 Phantom II and the F/A-18 Hornet. In 2019, VMFA-314 became the first operational Marine Corps squadron to transition to the F-35C Lightning II, marking a new era of advanced capabilities for the unit.
VMO-2
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.
15th MEU MSSG
U.S. Marine Corps
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.
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)