the meaning of

Semper Fidelis

Latin for “always faithful,” Semper Fidelis has been the Marine Corps motto since 1883. It embodies the promise to always remain faithful, no matter what.

semper fidelis in their words

Semper Fidelis is used as a greeting, a motivation, and an expression that unites past and present Marines. In wartime or peace, Semper Fidelis speaks volumes. It represents tradition and responsibility — beginning the moment a young man or woman commits to earning the title of U.S. Marine.

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    SEMPER FIDELIS IN ACTION

     

    Throughout our history, Semper Fidelis has been a guiding principle for Marines to be loyal to their mission and faithful to each other through each and every battle. Becoming a Marine demands a sense of purpose and responsibility to serve — and Semper Fidelis is a permanent reminder of that.

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    SEMPER FIDELIS IN ACTION

     

    Throughout our history, Semper Fidelis has been a guiding principle for Marines to be loyal to their mission and faithful to each other through each and every battle. Becoming a Marine demands a sense of purpose and responsibility to serve — and Semper Fidelis is a permanent reminder of that.

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    Capt Anneliese Satz

    Faithful to purpose and cause, Capt Anneliese Satz became the first female Marine selected to fly the F-35B — a 5th generation stealth, fighter aircraft. The undeniable determination and outstanding merit of Marines like Captain Satz sets the standard for all that follow.

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    Capt Anneliese Satz

    Faithful to purpose and cause, Capt Anneliese Satz became the first female Marine selected to fly the F-35B — a 5th generation stealth, fighter aircraft. The undeniable determination and outstanding merit of Marines like Captain Satz sets the standard for all that follow.

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    The battle of iwo jima

    By remaining faithful to their critical mission, to their country and to each other during the darkest of days, U.S. Marines were able to will each other to overcome enormous challenges to fight and win the battle at Iwo Jima in 1945.

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    The battle of iwo jima

    By remaining faithful to their critical mission, to their country and to each other during the darkest of days, U.S. Marines were able to will each other to overcome enormous challenges to fight and win the battle at Iwo Jima in 1945.

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    Cpl kyle carpenter

    Without hesitation, LCpl Kyle Carpenter shielded another Marine from a grenade blast during Operation Enduring Freedom in 2010. On 19 June 2014, he received a Medal of Honor for his courageous acts and is the military’s youngest living Medal of Honor recipient. Cpl Carpenter is a living embodiement of the true meaning of Semper Fidelis.

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    Cpl kyle carpenter

    Without hesitation, LCpl Kyle Carpenter shielded another Marine from a grenade blast during Operation Enduring Freedom in 2010. On 19 June 2014, he received a Medal of Honor for his courageous acts and is the military’s youngest living Medal of Honor recipient. Cpl Carpenter is a living embodiement of the true meaning of Semper Fidelis.

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    sgt maj john canley

    Sgt Maj (Ret.) John Canley was awarded the Medal of Honor on 17 October 2018, for his exceptional leadership, his extraordinary heroism to carry his wounded Marines to safety, and his determination to fight and win during the Battle of Hue. By refusing to quit on his fellow Marines, Sgt Maj Canley brought undeniable meaning to the idea of "Always Faithful."

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    sgt maj john canley

    Sgt Maj (Ret.) John Canley was awarded the Medal of Honor on 17 October 2018, for his exceptional leadership, his extraordinary heroism to carry his wounded Marines to safety, and his determination to fight and win during the Battle of Hue. By refusing to quit on his fellow Marines, Sgt Maj Canley brought undeniable meaning to the idea of "Always Faithful."

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    battle of hue

    For 33 days in the winter of 1968, one of the Corps’ most famous urban battles took place: The Battle of Hue. Despite being outnumbered, Marines fought intensely to secure a victory on 2 March. The Battle of Hue proved that no matter the circumstances, Marines are always prepared to fight, equipped to win, and always faithful to each other and our Nation.

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    battle of hue

    For 33 days in the winter of 1968, one of the Corps’ most famous urban battles took place: The Battle of Hue. Despite being outnumbered, Marines fought intensely to secure a victory on 2 March. The Battle of Hue proved that no matter the circumstances, Marines are always prepared to fight, equipped to win, and always faithful to each other and our Nation.

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    John Philip Sousa

    Responsible for bringing the United States Marine Band to an elite level of excellence, John Philip Sousa wrote “Semper Fidelis” in 1888 – traditionally known as the Marine Corps’ official march. To this day, the embodiment of Semper Fidelis is shown through the music and ambition of the Marine Corps band.

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    John Philip Sousa

    Responsible for bringing the United States Marine Band to an elite level of excellence, John Philip Sousa wrote “Semper Fidelis” in 1888 – traditionally known as the Marine Corps’ official march. To this day, the embodiment of Semper Fidelis is shown through the music and ambition of the Marine Corps band.

Old breed? New breed? There’s not a … bit of difference so long as it’s the Marine breed.

— LtGen Chesty Puller, USMC

Talk to a Marine Recruiter

Semper Fidelis begins the moment you commit to becoming a Marine. Start the conversation.