"Semper Fi" is short for "Semper Fidelis," a Latin phrase meaning "Always Faithful." It is the motto of the United States Marine Corps and reflects the commitment and loyalty of Marines to their country, their fellow service members, and the Corps itself. This phrase embodies the values of honor, courage, and commitment that are central to Marine identity. The motto is often used in various contexts, including military ceremonies and communications among Marines. It serves as a reminder of their dedication and the bond they share, reinforcing the idea that they will always support one another, no matter the circumstances.