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• History
• Ranks
• Unit Structure

Motto: The motto of the United States Marine Corps is Semper Fidelis, which is Latin for "Always Faithful". The motto is often shortened to "Semper Fi".

Mission Statement:
The mission of the United States Marine Corps is to protect the nation and advance its ideals. The Marine Corps is an expeditionary force that fights and wins battles for the United States. They are trained to adapt, improvise, and overcome obstacles. Marines are also expected to represent the nation well at home and abroad.

The Marine Corps is structured to fight in the air, on land, and at sea. The infantry is the largest occupational field in the Marine Corps, and all other occupational fields support the infantry.