Military branches: United States Armed Forces: US Army, US Navy (includes Marine Corps), US Air Force, US Space Force; US Coast Guard (administered in peacetime by the Department of Homeland Security, but in wartime reports to the Department of the Navy); National Guard (Army National Guard and Air National Guard) (2021)
note: the Army National Guard and the Air National Guard are reserve components of their services and operate in part under state authority
Definition: This entry lists the military and security forces subordinate to defense ministries or the equivalent (typically ground, naval, air, and marine forces), as well as those belonging to interior ministries or the equivalent (typically gendarmeries, border/coast guards, paramilitary police, and other internal security forces).
Source: CIA World Factbook - This page was last updated on Saturday, September 18, 2021
