A paramilitary is a military that is not part of a country's official or legitimate armed forces. The Oxford English Dictionary traces the use of the term "paramilitary" as far back as 1934.
Legion of Frontiersmen, Edmonton Command, 1915 – a nationalist paramilitary group not officially affiliated with the Canadian Army
A military, also known collectively as an armed forces, are a heavily armed, highly organized force primarily intended for warfare. Militaries are typically authorized and maintained by a sovereign state, with their members identifiable by a distinct military uniform. They may consist of one or more military branches such as an army, navy, air force, space force, marines, or coast guard. The main task of a military is usually defined as defence of their state and its interests against external armed threats.
NATO military ceremony in Pabrade, Lithuania, November 2014
Relief scene of Roman legionaries marching, from the Column of Marcus Aurelius, Rome, Italy, 2nd century AD
Depiction of ancient Egyptian military formation
Finnish and American soldiers training together in arctic conditions in Lapland, Finland, January 6–16, 2015