US Merchant Marine

The U.S. Merchant Marine is a fleet of civilian ships and their crews that transport goods, fuel, and supplies domestically and internationally. While not part of the Navy, Merchant Marines often support military operations during wartime by moving troops and equipment. They play a vital role in national economy and security, operating under the Department of Transportation or Department of Homeland Security. Their crews include trained mariners who handle logistics, cargo, navigation, and ship maintenance, ensuring the steady flow of commerce and critical resources around the world.