Most of remaining ships were not really in good shape but were saved from been retired thanks to Admiral Hawood instance. 35 ships manage to survive the war, at least fourteen of those stationed in at Alpha Centauri. Production of new heavy crusiers were stop in order of massive production of frigates, orbital platforms and colony ships. While construction was high during first twenty years, during Human-Covenant war less and less new Marathon class cruisers were built with last, UNSC Liberator launchd in 2547. UNSC Odyssey, a Punic class super carrier which was flagship of the 10th fleet was also the first ship to be equipped with energy shields, reverse engineered from Forerunner ship and also later from Ancient Human cruiser that was found near Frontier colony.Īlthough over 200 cruisers were planned, only 92 were constructed. But despite lack of AI, ships of the 10th fleet were more advanced thanks to specialized R&D that was located on Alpha Centauri. Like all ships in 10th fleet, Marathons of the 10th fleet didn't had any AI on board due Vice Admiral James Hawood who didn't trust AI. This was one of plans to save Human race from extinction with other been Ouroboros, which was center around two massive Infinity class ships. Fleet was to guard massive colony fleet which was to depart in unknown and unexplored parts of Galaxy far from Covenant. 10th fleet or Alpha Centauri sector fleet was the largest remain fleet after fall of Reach. Alpha Centauri system which was home to 10th fleet had twelve Marathons. Atl east sixteen were in Sol system during the battle for Earth, from those twelve participate in battle while remaining four were guarding the special shipyard inside Ortho cloud where UNSC Infinity and her sister UNSC Eternity were been built. After battle of Reach, largest concentration of Marathon cruisers were in Sol and Alpha Centauri systems. Comparing to Halcyon, which were expensive, sluggish and underpowered, Marathons were built in larger numbers however with heavy losses, toward the end of war, most were used in inner colonies and often commanded by Admiral.

Halcyon class light cruiser