About this Unit
The 170th Assault Helicopter Company was activated during the Vietnam War to provide air mobility and support for U.S. and allied ground forces. Equipped primarily with UH-1 "Huey" helicopters, the unit conducted troop insertions, extractions, supply missions, and medical evacuations across challenging terrain. Known by the call sign "Bikinis," the 170th earned a reputation for bravery under fire and adaptability in complex combat operations. After distinguished service, the unit was eventually deactivated following the reduction of U.S. involvement in Vietnam.
Historical Facts
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Origins in Vietnam: The 170th Assault Helicopter Company (AHC) was activated in Vietnam in 1965, becoming part of the U.S. Army's rapid expansion of airmobile operations during the Vietnam War.
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Nickname “Bikinis” and “Buccaneers”: The unit had two main callsigns: “Bikini” for its lift platoons and “Buccaneer” for its gun platoon, both of which became iconic in radio communications.
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Aircraft Operated: The 170th AHC primarily flew the UH-1 “Huey” Iroquois helicopters, a symbol of the Vietnam War, conducting troop insertions, resupply, and medical evacuations.
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Cambodian Incursion: In 1970, the 170th participated in the secret cross-border operations into Cambodia, providing critical air support during the expansion of the conflict.
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Distinctive Insignia: The unit’s patch featured a red bikini on a blue background, a playful and memorable symbol among helicopter units.
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Heroic Rescue Missions: The company often risked enemy fire to extract downed pilots and wounded soldiers, earning several individual and unit commendations for valor and gallantry.
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Base Relocations: The 170th AHC operated from various bases, including Pleiku, Kontum, and Camp Holloway, adapting to the shifting tactical needs of the Central Highlands.
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Heavy Combat Losses: Like many helicopter units, the 170th suffered significant losses in aircraft and crew, highlighting the dangers of low-level flight in hostile territory.
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Famous Engagements: The unit supported major operations like MacArthur, Wayne Grey, and the defense of Dak To, often flying multiple sorties under fire.
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Legacy and Reunions: Veterans of the 170th AHC maintain an active association, preserving the unit’s history and camaraderie through reunions, websites, and the sharing of stories from their service.