The military forces of a nation, such as the army, navy, air force, marines, and sometimes, coastguard or border guard, which are tasked with the defence of the nation and its citizens, if necessary through use of deadly force.
Armed forces.
Relating to armies or ground forces.
Relating to war.
Characteristic of members of the armed forces.
Relating to armed forces such as the army, marines, navy and air force (often as distinguished from civilians or police forces).