Template:Ratings Template:Infobox Military Unit The 13th Regiment (map designate: INF 124 ||| 13) was a mechanized infantry formation of the UNSC Army during the Human-Covenant War. [1] This regiment was garrisoned in the northeastern Viery territory of the Human colony of Reach. It was assigned to the 124th Infantry Brigade (Mechanized) during the invasion to counter Covenant Army landing forces.