US military troops come in active-duty, Guard, and reserve forces. Here's what each one does.

• 12/09/2024, 5:52 AM
• businessinsider.com

U.S. Marine Corps photo by Staff Sgt. Luc Boatman

The US military fights wars abroad, but it also keeps busy back home. There are different types of forces, though, and rules on what they can and can't do on domestic soil can be confusing.