Kewu Umppi'pa'-pattern citadel turret

The Kewu Umppi'pa-pattern citadel turret' is a modular stationary weapon built and employed by the Covenant and its remnants.

Design details
The turret is powered externally and features a large, semi-circular base, in the middle of which is an anti-gravity platform. The turret is automated and driven by sensor profiles, but could be remotely link-controlled. The base model of the turret employs a heavy plasma cannon, though its modularity allows additional armaments, including a fuel rod cannon, needle cannon, or a plasma mortar, to be mounted at the discretion of the base commander.

Usage
The Kewu Umppi'pa'-pattern citadel turret is typically deployed at field fortifications, occupation citadels, and, in rare cases, contested zones.

Operational history
The Kewu Umppi'pa'-pattern citadel turret was deployed at Covenant citadels during the Harvest campaign, the Battle for Arcadia, and the Battle of Trove in 2531. Following the Human-Covenant War, Merg Vol's Covenant deployed the citadel turrets on X50 during the Battle of Draetheus V in 2554.

Gameplay
In Halo Wars, the citadel turret is the main defensive building, serving as the Covenant equivalent of the UNSC base turret. They become available for construction at the citadel's turret sockets when an Outpost is upgraded to a Keep. For the specialized upgrades, the player may only use one upgrade at a time. Extra weapons do not affect the plasma cannon's operation. As well as weapon upgrades, citadel turrets can be further upgraded to medium turrets, and then large turrets at the Covenant temple.
 * Info: Turrets are good at defending bases against all enemy targets.
 * Cost: Tech level 0, Supplies 250
 * Upgrades:
 * Plasma Mortar: Adds bonus Anti-Infantry Attack to the Turret.
 * Cost: Tech level 1, Supplies 100
 * Fuel Rod Cannon: Adds bonus Anti-Vehicle Attack to the Turret.
 * Cost: Tech level 1, Supplies 100
 * Needler: Adds bonus Anti-Air Attack to the Turret.
 * Cost: Tech level 1, Supplies 100

List of appearances

 * Halo Wars
 * Halo: Spartan Assault