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National Security Act of 1947

July 26, 1947, in Marine Corps history.

On July 26, 1947, the National Security Act of 1947 was enacted, reaffirming the status of the Marine Corps as a separate military service within the Department of the Navy.

The act provided for Fleet Marine Forces and confirmed the Corps' mission of seizing and defending advanced bases, as well as land operations in support of naval campaigns.

Learn more about Marine Corps history for July.

Fly them in tandem!

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Fly Proud! Both our American flag and Marine Corps flag. They each look stellar on their own, but truly shine when they are flown together!