US military troops come in active-duty, Guard, and reserve forces. Here's what each one does.
US military forces do a lot at home and abroad, but the different types of troops and the rules for each can be confusing.
Mexico deploys the first of 10,000 National Guard to US border after Trump’s threat of tariffs
A line of Mexican National Guard and Army trucks are rumbling along the border separating Ciudad Juárez and El Paso, Texas, ...