"Semper Fi" is short for Semper Fidelis, a Latin phrase that means "Always Faithful." It has been the official motto of the U.S. Marine Corps since 1883. More than just a slogan, Semper Fi ...

Their powerful motto, Semper Fidelis — or Semper Fi — is Latin for Always Faithful. It may seem simple, but that phrase is the lifeblood of every Marine, past, present, and future. “ ...

So it might surprise you to know that the Marine Corps doesn’t know why its motto is Semper Fidelis. The iconic phrase, Latin for “always faithful,” has captured the spirit of Marines ...

"Semper Fidelis" ("Always Faithful") is the motto of the Corps. That Marines have lived up to this motto is proved by the fact that there has never been a mutiny, or even the thought of one ...