Starfleet 13th Marine Regiment

The Starfleet 13th Marine Regiment was a Starfleet Marine regiment military unit consisting of numerous Starfleet soldiers. In the 23rd century's Four Years War between the Federation and the Klingons, the 13th was based in the Sinbad system. Along with two other regiments, the Sinbad forces scored a lucky victory over Klingon troops, counting over 30,000 Klingon ground troops killed, wounded or captured. (RPG reference: The Four Years War)