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Science | Military | Branches

Learn about the various branches of the U.S. Military. Find out how they were formed, their role in the nation's defense, and what it's like to be a soldier in one of these branches.

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How the U.S. Navy Works

The United States Navy is the largest navy in the world. Learn how the Navy is structured, what ships it uses, what life is like in the Navy and how it has evolved over the years.