The UNSC 2nd Armada is 1 of the five Armadas within the UNSC Navy. Composed of an hundred fleets and garrisoned at Reach. The Second Armada is also in charge of protecting 41 other system within the inners colonies. Under the command of Fleet Admiral James Monroe the Second Armada saw action during the War for the Mantle of responsibility in wich she participated to several engagement and the well know OPERATION: TAKE EARTH BACK with several other main unit within the Galactic Alliance of Free Species.