OPERATION:Ark Angel

OPERATION:MEDUSA is a joint navy effort to locate de remaning halo ring. While installation 3 and 5 have been secured and studied for over half an century by the UNSC and installation 04 destroyed the other installation know as 01, 02, 06, 07 were still far over the Galactic Alliance of Free Species range. Even if the alliance was in possession of an star map to localise those installation it was yet impossible to decrypt those information. Following the 12 Systems Campaign an galactic alliance stick group was composed of 36 ships. 12 ships from each organisation were assigned to the strike group composed mainly from hight tonnage asset and long range prowler. The fleet would journey to several forerunner site to investigate the where about of the remanning halo ring.