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History of 3rd Battalion AAV

The 3rd Battalion, Amphibious Assault Vehicles (AAV), was a United States Marine Corps unit specializing in armored amphibious operations. Activated during the Cold War era, the battalion played a key role in supporting Marine infantry units with rapid ship-to-shore movement and mechanized assault capabilities. It participated in numerous training exercises and deployments, including operations in the Pacific and the Middle East, enhancing the Corps’ expeditionary reach. The 3rd Battalion AAV’s legacy is marked by its adaptability and crucial contributions to modern amphibious warfare before its eventual deactivation as the Marine Corps modernized its vehicle fleet.

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ABOUT 3rd Battalion AAV

  • Origins: The 3rd Assault Amphibian Battalion (3rd AAV BN) was activated on September 16, 1942, at Camp Elliott, San Diego, California, as the 3rd Amphibian Tractor Battalion.
  • World War II Service: The battalion played a crucial role during World War II, participating in major Pacific campaigns including the battles of Bougainville, Guam, and Iwo Jima.
  • First to Land: During the Battle of Iwo Jima, 3rd AAV was among the first units to land Marines and equipment on the beaches, braving intense enemy fire.
  • Korean War: Reactivated for the Korean War, the battalion supported amphibious operations such as the Inchon Landing, a turning point in the conflict.
  • Vietnam War: 3rd AAV BN deployed to Vietnam in 1966, conducting riverine and coastal operations, and provided vital mobility, firepower, and support to Marine units.
  • Gulf War: The battalion participated in Operation Desert Storm in 1991, spearheading amphibious assaults into Kuwait and helping liberate the country from Iraqi occupation.
  • Humanitarian Missions: 3rd AAV has participated in numerous humanitarian operations, including disaster relief in the Philippines and support after tsunamis and typhoons in the Pacific.
  • Modernization: The battalion has transitioned through several generations of amphibious vehicles, from the WWII-era LVTs to the modern AAV-7A1, and is preparing for the future with the Amphibious Combat Vehicle (ACV).
  • Unit Motto: The battalion's motto is "One Team, One Fight," reflecting its close-knit culture and readiness to support Marine Air-Ground Task Force operations.
  • Decorations: Over its history, 3rd AAV BN has earned multiple Presidential Unit Citations, Navy Unit Commendations, and campaign streamers, marking its distinguished combat and service record.

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