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.
How the U.S. Marines Work
The Marines are the smallest branch of the U.S. military, and arguably the toughest. Learn why there is a Marine Corps, how it's structured, the history behind the Corps, how to join, life inside, and leaving.