The United States wouldn't be celebrating its 250th birthday this week if not for the fledgling country's unlikely military victory over Great Britain. Monumental figures throughout history have helped shape the nation by leading or serving in its armed forces. But what about lesser-known warriors who left their mark?

WATCH: A look at America's founding from the room where independence was declared

Here are five historical figures or stories you might not know.

A Marine trailblazer who was a vision in red

Lt. Col. Ruth Cheney Streeter was appointed the first director of the Marine Corps Women's Reserve during World War II.