About this Unit
The 1st Battalion, 23rd Marines (1/23rd Reserve Unit) is a distinguished infantry battalion within the United States Marine Corps Reserve. Activated during World War II, the unit saw significant combat in the Pacific Theater, notably participating in the battles of Kwajalein, Saipan, Tinian, and Iwo Jima. Since then, 1/23 has been mobilized for numerous operations, including the Gulf War, Operation Iraqi Freedom, and Operation Enduring Freedom, providing critical support and combat capabilities. Headquartered in Houston, Texas, 1/23rd continues to uphold its legacy of readiness and service as part of the 4th Marine Division.
Historical Facts
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Origins: The 1st Battalion, 23rd Marines (1/23) is a reserve infantry battalion of the United States Marine Corps, originally activated during World War II in 1942.
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Nickname: The unit is nicknamed "The Lone Star Battalion," reflecting its roots and headquarters in Texas.
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World War II Service: 1/23 fought in major battles including Roi-Namur, Saipan, Tinian, and Iwo Jima as part of the 4th Marine Division, earning a Presidential Unit Citation for heroism on Iwo Jima.
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Iwo Jima Flag Raising: Members of 1/23 were part of the assault forces that secured Mount Suribachi, where the iconic flag raising took place, although the actual flag raisers were from 2/28.
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Postwar Reserve Status: After WWII, the battalion was deactivated but later reactivated as part of the Marine Corps Reserve and has maintained its reserve status since.
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Operation Desert Storm: 1/23 was mobilized in 1990-1991 for Operation Desert Shield and Desert Storm, providing security in Saudi Arabia and Kuwait.
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Operation Iraqi Freedom: The battalion deployed multiple times in the 2000s, notably to Al Anbar Province, Iraq, where it conducted security operations and partnered with Iraqi forces.
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Recruiting Area: 1/23 primarily recruits from Texas, Louisiana, and Oklahoma, making it a uniquely Southwestern Marine unit.
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Community Ties: The battalion is known for its deep engagement with local communities, including disaster response efforts after hurricanes affecting the Gulf Coast.
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Modern Deployments: In recent years, 1/23 has supported operations and training exercises worldwide, including deployments to Europe and the Pacific, supporting NATO and allied forces.
