Spitfire naval coilgun battery

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A Sentry autocannon atop Pillar of Autumn.
A Mark 33 Spitfire mounted atop UNSC Pillar of Autumn.

The Spitfire naval coilgun battery is a ship-to-ship naval autocannon utilised by the heavy warships of the UNSC Navy during and after the Human-Covenant War.


Mark 33 Spitfire[edit]

The Mark 33 Spitfire is armed with two rapid-fire naval coilguns for offense.[1]


Mark 40 Spitfire[edit]

The Mark 40 Spitfire is a refinement of the older Mark 33, featuring a higher muzzle velocity, improved tracking speed, and better accuracy than its predecessors. The gun mount is also several tons lighter thanks to it being armoured with a new formulation of Titanium-A armor while still maintaining the same level of protection. The Autumn-class heavy cruiser sports four of these coilgun batteries to complement its Magnetic Accelerator Cannon.[4][2]

List of Appearances[edit]


  1. ^ a b Halo: Warfleet, page 24-25
  2. ^ a b c Halo Encyclopedia (2022 edition), page 118-119
  3. ^ Halo Encyclopedia (2022 edition), page 124
  4. ^ Halo: Warfleet, page 26-27