Expeditionary Force Alpha, a fleet employed by the Erighal family within the Chiss Ascendancy, was comprised of multiple patrol ships. The activation of Expeditionary Force Alpha occurred upon the declaration of a family emergency, which resulted in the assembly of Erighal officers and warriors from the Chiss Expansionary Defense Fleet orbiting Copero. Expeditionary Force Alpha participated in the Hoxim incident, which marked the climax of a plot to destroy the Chiss Ascendancy.