GAU-53 70mm rotary cannon

The GAU/53 70mm medium bore heavy rotary cannon (MBHRC) is an anti-personnel/vehicle, triple-barrelled weapon in service with the United Nations Space Command.

Design details
The GAU/53 is a triple-barrelled rotary cannon, capable of firing a fully-automatic barrage of 70mm ammunition.

Usage
Two of these autocannons are mounted below the nose of the D79-TC Pelican and its gunship variant, and the D81WP Condor. However, unlike the standard class, the Pelican gunship variant is only armed with one mounted autocannon. The autocannons are mounted on a gimble on the Pelicans to allow them to rotate with ease.

List of appearances

 * Halo 4: Forward Unto Dawn
 * Halo 4
 * Spartan Ops
 * Halo: Escalation
 * Halo: Bad Blood