The destroyer is a starship classification within the UAOS Navy. Fast, maneuverable, and designed for long-term endurance, destroyers were intended to escort larger vessels, such as the Marathon- and Halcyon-class cruisers. It is used by the Alliance of Nations. Although some vessels of this classification are only seven meters longer than some UNSC frigates, they have almost double the mass. Unlike most ships in the fleet, destroyers carry no fighters; rather, their large mass comes from the one and a half to two meters of Titanium A battle plate that covers the ship.

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