The 110mm Rotary Cannon is a projectile weapon equipped to the Longsword interceptor, essentially a gatling-style cannon firing 110mm shells and used to engage enemy fighters or starships.


  • According to Robert McLees, the concept "110mm Rotary cannons in fighters/bombers" is considered "bad crazy" in the Halo Story Bible, seemingly implying that the weapon's unusually high caliber is considered a typo.

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