The State Military is the name given to the armed forces of Amestris. The Commander in Chief of the State Military is the Führer (President in the Viz Manga).

Some Alchemists become State Alchemists and join the military are automatically given the rank of major within the rank structure of the State Military. Ever since Father came to the country over three hundred years ago and taught the area's inhabitants powerful alchemy, Amestris has become one of the most powerful countries if not the dominant military power in the known Fullmetal Alchemist world.