About this Unit
The 3rd Battalion, 4th Marines (3/4), known as "Thundering Third," is an infantry battalion of the United States Marine Corps. Activated in 1925, the unit saw significant combat during World War II, participating in campaigns such as Roi-Namur, Saipan, Tinian, and Iwo Jima. During the Vietnam War, 3/4 was heavily involved in major operations including the Battle of Khe Sanh and the defense of the DMZ. In recent decades, 3/4 has deployed to Iraq and Afghanistan, continuing its legacy of distinguished service in support of U.S. military objectives worldwide.
Historical Facts
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Unit Designation: The 3rd Battalion, 4th Marines (abbreviated as 3/4), is an infantry battalion of the United States Marine Corps, part of the 7th Marine Regiment, 1st Marine Division.
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World War II Service: 3/4 participated in the famous Battle of Iwo Jima in 1945, where they earned a Presidential Unit Citation for their valor and effectiveness under fire.
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Nickname: The battalion is often nicknamed "Thundering Third" due to their aggressive performance in combat and training exercises.
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Vietnam War Deployments: 3/4 was one of the first Marine units deployed to Vietnam, participating in several major operations such as Operation Hastings, Prairie, and Kingfisher.
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Kuwait and Desert Storm: In 1990-1991, the battalion deployed to Saudi Arabia and took part in Operations Desert Shield and Desert Storm, successfully breaching Iraqi defensive lines.
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Global War on Terror: 3/4 has completed multiple tours in Iraq and Afghanistan, including battles in Fallujah and operations in Helmand Province.
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Notable Commanders: Several prominent Marine leaders, such as General James N. Mattis, have served with or commanded 3/4 during their careers.
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Unit Motto: The battalion’s motto is “Fortune Favors the Brave,” reflecting their courage and willingness to take on tough missions.
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Medal of Honor Recipients: Marines from 3/4 have been awarded the Medal of Honor for their heroism, including Corporal Larry E. Smedley for actions in Vietnam.
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Legacy and Traditions: 3/4 is known for its strong esprit de corps, annual reunions, and commitment to honoring its history, with a battalion memorial at the Marine Corps Base, Twentynine Palms, California.
