About this Unit
The United States Marine Corps Reserve (USMCR) was established on August 29, 1916, as part of the Naval Appropriations Act, to provide a ready force of trained Marines available for active duty in times of war or national emergency. The USMCR played a significant role in both World Wars, Korea, Vietnam, and the Global War on Terror, augmenting and reinforcing active-duty Marine units. Reservists have participated in every major conflict since World War I, often deploying alongside their active-duty counterparts. Today, the USMC Reserve continues to provide operational flexibility, strategic depth, and community engagement, upholding the Marine Corps’ motto of “Semper Fidelis.”
Historical Facts
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Founding Date: The United States Marine Corps Reserve (USMCR) was officially established on August 29, 1916, by an act of Congress as America prepared for possible entry into World War I.
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Immediate Wartime Service: Within a year of its creation, Marine reservists were mobilized for active service during World War I, serving both domestically and overseas.
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“Every Marine a Rifleman”: USMC Reserve members train to the same standards as active-duty Marines, embodying the Corps' ethos that every Marine, regardless of specialty, is a capable combat rifleman.
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Major World War II Mobilization: During World War II, more than 70,000 Marine reservists were called to active duty, forming the backbone of many combat units in the Pacific Theater.
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The “Weekend Warriors” Myth: Although sometimes called "weekend warriors," USMC Reservists regularly deploy overseas, including in combat operations, humanitarian missions, and peacekeeping duties.
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First Female Reservists: In 1918, the Marine Corps Reserve became one of the first military units to accept women, with Opha May Johnson becoming the first female Marine reservist.
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Korean War Activation: During the Korean War, nearly 40,000 reservists were mobilized, many within days of the North Korean invasion of South Korea in 1950.
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Operation Desert Storm: Over 40 percent of the Marine Corps forces deployed during Operation Desert Storm in 1991 were from the Reserve Component.
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Global War on Terror: Since 2001, tens of thousands of reservists have served in Iraq, Afghanistan, and other locations worldwide, often integrated seamlessly with active-duty units.
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Community Ties: USMC Reserve units are located across the United States, creating strong ties with local communities and providing vital disaster relief, such as in the aftermath of Hurricane Katrina.