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Another four are mounted on each of its Epstein drives, and two are placed between each Epstein drive as well, defending the hangar area. The aft is equipped with eight PDCs, one next to each of its eight aft torpedo tubes. For defense, the Donnager-class employs fifty-nine Nariman Dynamics 40mm PDCs, linked to the K-19 'Banisher' High-Accuracy Point Defense Targeting Computer, the most advanced target tracking system employed by the MCRN. These launchers are linked to shared magazines of high-explosive (HE), plasma, flechette, and nuclear warheads. The Donnager-class' other main weapons are its six fore and eight aft rapid-reload missile launchers, capable of attacking vessels in front of and behind the vessel. The hardpoints also extend past the ship's enlarged aft, allowing the vessel to bring its railguns to bear on targets on its aft, allowing it to fire on enemies while decelerating.

EXPANSE SPACESHIPS UPGRADE

Thanks to the foresight of MCRN engineers, the Donnager-class hosts a total of four railgun hardpoints on its hull, capable of doubling the ship's railgun complement should such technological advancements allowing such an upgrade become available. The articulation systems of the railguns are incredibly sturdy, and able to swing through 180 degrees to acquire a target even when the battleship is under thrust, and even while the battleship is executing complex course corrections. The railguns are situated on large hardpoints that offer sufficient clearance to fire of the vessel's aft while it performs deceleration burns, allowing this class to press attacks while performing complex repositioning maneuvers. At the time of the class' construction, these weapons were amongst the highest-spec railguns in the Solar System and only matched by orbital weapons systems, such as the UNN Railgun Platforms. The most notable elements of the Donnager-class complements are its two dorsal VX-12 'Foehammer' Turreted Ultra-Heavy Railguns.

The battleship additionally hosts a number of Chariot-type Dropships, repair skiffs and - depending on deployment - executive shuttlecraft. Each berth can hold one Corvette-class light frigate or one Morrigan-class patrol destroyer. Thanks to the ship's interior hangar bay, located near the aft of the huge vessel, ships of this line can host their own escort ships in six interior ship berths. The Donnager-class is capable of hosting a crew complement of 2086 personnel, including squads of Martian Marines and their elite Force Recon units, equipped with Goliath Powered Armor.

At the time of the UN-MCR War, nine Donnager-class vessels existed in the Sol System before the Attack on the Donnager, serving in a variety of roles including fleet command and coordination, battleship, assault ship, gunship carrier, and infantry deployment craft. As the primary mainstay battleship classification in the MCRN (Martian Congressional Republic Navy), the Donnager-class serves multiple roles throughout the Sol System.

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