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For the mirror universe counterpart, see MACO (mirror).

The United Earth Military Assault Command Organization (commonly abbreviated as MACO, MACO Corps and alternately called Military Assault Command Operations) was a military organization. The MACO motto was Semper Invictus, Latin for "forever invincible". (ENT - The Romulan War novel: Beneath the Raptor's Wing, STO novel: The Needs of the Many; ST reference: The Star Trek Encyclopedia)

History[]

MACO logo

The MACO/Enterprise patch

In 2153, General George Casey, at the request of Starfleet Captain Jonathan Archer, assigned a detachment of MACO troops, commanded by Major Joss Hayes, to the starship Enterprise for its mission into the Delphic Expanse. (ENT episode & novelization: The Expanse)

Since the Earth Starfleet was not a military organization, MACO troops were used to fulfill any military functions needed aboard Earth Starfleet vessels. MACO's fought in the Undine War in the 25th century. (STO novel: The Needs of the Many)

There were MACO posts in the city of Atlanta and the Janus loop. One of their training posts was at West Point in New York. (ENT episodes: "The Xindi", "Hatchery", "The Council") In 2155, during the Earth-Romulan War, the Military Assault Command Operations were heavily involved in the ground scale engagements against the Romulans. They were known to have suffered losses at Deneva and Berengaria VII by sneak attacks from the Romulan Star Empire. Due to Starfleet's limited number of ships, there were fears on how to get MACO troopers to the front lines without adequate ship support. (ENT - The Romulan War novel: Beneath the Raptor's Wing)

Following the Romulan War and the founding of the United Federation of Planets, most of MACO was absorbed into the Federation Starfleet on 19 November 2161 as Starfleet Security, with the rest becoming the Starfleet Marine Corps. Some MACO officers joined Starfleet, such as Major Balthazar M. Edison, who became captain of the USS Franklin. (ENT - Rise of the Federation novel: A Choice of Futures, TOS movie: Beyond, Adventures RPG module: Beta Quadrant Sourcebook)

MACO personnel[]

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Appendices[]

Connections[]

Militaries of Earth
Confederate States of America: Army
Germany: LuftwaffeSchutzstaffel
United Kingdom: Air ForceNavy
United States of America: United States Armed Forces (ArmyNavyArmy Air CorpsAir ForceMarine Corps)
United Earth: Ground ForcesNavyMilitary Assault Command Organization

External link[]

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