KIS Grist'Ar'Roc, Vega Sector, circa 2654.

The Snakeir super-dreadnaught was the Empire of Kilrah's largest warship until the development of the Hakaga-class carrier in 2668. From 2649 on, Snakeir served as the basis of planetary offensive operations for the Empire. Snakeir carrier huge quantities of ship-to-planet munitions and are used for orbital, interplanetary and long-distance anti-fleet strikes (including skipper missile launches). All Snakeir are personally commissioned by the Kiranka clan.

Snakeir are protected at all times by at least three escort destroyers or cruisers and twelve Krant kept aloft as CAP at all times. As of 2654, 51 Snakeir had been identified by the Confederation; five had been destroyed in battle and three lost in accidents. Snakeir super-dreadnaughts formed the center of two major battlegroups in 2654: the KIS Grist 'Ar'Roc, which lead the push against Earth, and the KIS Shak'Ar'Rock, which chased the TCS Olympus to its destruction.

Another class of ship named Snakeir, a dedicated carrier, was introduced in 2655.