The term "armed service" refers to an organization or branch of the armed forces that typically carries out military operations and defends their country. Some synonyms for "armed service" include the army, navy, air force, marines, and coast guard. These branches of the military have distinct roles and duties, but all are responsible for safeguarding national security. Other synonyms could include "defense force," "military," "militia," "soldiers," "warriors," or "combatants." These terms are often used interchangeably with "armed service" and speak to the different functions and forms of military defense and strategy. Overall, the term "armed service" is synonymous with the idea of defending one's country through military operation.