There is nothing quite like America's amphibious Marine Corps

US Marine Corps/Amanda Macias/Business Insider

The Marine Corps has served a role in every conflict in the history of the United States.

That's because the Marines operate on sea, air, and land — unlike the other sister-service branches.

Since the Marines are amphibious, they can respond to a crisis in under 24 hours with the full force of a modern military.

That's because the Marines operate on sea, air, and land — unlike the other service branches — and can respond to a crisis in less than 24 hours with the full force of a modern military.

Today there are more than 220,000 active-duty and reserve Marines.

To celebrate the Corps, we've pulled some of the best photos of America's most adaptive fighting force.

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