About this Unit
Marine Heavy Helicopter Squadron 463 (HMH-463), known as the "Pegasus," was first activated in 1944 during World War II to support operations in the Pacific Theater. Reactivated during the Vietnam War, HMH-463 became renowned for its heavy-lift capabilities, operating the CH-53 Sea Stallion helicopters to conduct troop transport, supply missions, and combat support. Over the decades, the squadron played a vital role in major conflicts and humanitarian missions, including Operations Desert Storm, Enduring Freedom, and Iraqi Freedom. After decades of distinguished service, HMH-463 was deactivated in 2022 as part of the Marine Corps’ force modernization efforts.
Historical Facts
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Squadron Nickname: HMH-463 was famously known as the "Pegasus" squadron, with their emblem featuring the mythical winged horse, symbolizing speed and power.
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Activation: HMH-463 was first activated on 20 March 1944 as Marine Bombing Squadron 463 (VMB-463) during World War II.
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Vietnam War Service: The squadron was reactivated as a heavy helicopter unit in 1966, deploying to Vietnam with CH-53 Sea Stallions and playing a major role in troop transport, supply, and medevac missions.
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Operation Frequent Wind: In April 1975, HMH-463 participated in Operation Frequent Wind, the evacuation of Saigon, flying critical missions to rescue U.S. and Vietnamese civilians as the city fell.
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Humanitarian Relief: The squadron was involved in relief operations after natural disasters, including efforts in the Philippines and Japan, showcasing their versatility beyond combat missions.
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Aircraft Operated: Over its history, HMH-463 operated the CH-53D Sea Stallion and later the CH-53E Super Stallion, some of the largest helicopters in the U.S. military.
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Gulf War: During Operation Desert Storm, HMH-463 deployed to the Middle East, supporting coalition forces with heavy lift capabilities for equipment and personnel.
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Hawaii-Based: For much of its later history, HMH-463 was based at Marine Corps Base Hawaii, Kaneohe Bay, providing Pacific region support and training with allied forces.
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Deactivation: HMH-463 was deactivated on 25 April 2022 as part of the USMC Force Design 2030 initiative, ending nearly 80 years of distinguished service.
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Legacy and Honors: The squadron earned numerous unit citations and awards over its history, and is remembered for its outstanding esprit de corps, operational excellence, and contributions to Marine Corps aviation.
