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Military Assault Command Operations (commonly abbreviated as “MACO”, pronounced “MAY-ko”) was a United Earth organization that existed as a part of the United Earth Military during the 2150s, prior to the founding of the Federation. The MACOs were not associated with Starfleet. As of 2153, MACO tactics and technology were two to three years more advanced than those of Starfleet, but their combat expertise was initially limited to simulations conducted on Earth.
