Military personnel. Military personnel or military service members are members of the state's armed forces. Their roles, pay, and obligations differ according to their military branch (army, navy, marines, coast guard, air force, and space force), rank (officer, non-commissioned officer, or enlisted recruit), and their military task when deployed on operations and on exercise. Terminology Military personnel who serve in an army or otherwise large land force are referred to as soldiers. Those who serve in a navy, coast guard, or other seagoing force are seamen or sailors. Naval infantry or marines are personnel who serve both on land and at sea, and may be part of a navy or a marine corps. Personnel who serve in air forces are airmen. Space force personnel typically do not have a specific term given how few exist, but in the U.S. Space Force personnel are referred to as guardians. Designated leaders of military personnel are officers. These...