M990 electrothermal-chemical smoothbore cannon: Difference between revisions
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Revision as of 23:40, April 14, 2021
| M990 electrothermal-chemical smoothbore cannon | |
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| Production overview | |
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Manufacturer: |
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Type: |
Vehicle-mounted cannon |
| Specifications | |
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Width: |
150mm |
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Ammunition type: |
Various |
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Effective range: |
Long |
| Service history | |
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In service: |
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The M990 electrothermal-chemical smoothbore cannon is the primary armament of the M820 Scorpion, introduced into widespread service in 2557.[1]
Overview
Unlike the M512 cannon mounted on the M808, or even the M310 cannons mounted on the M850 Grizzly, the M990 fires a much larger 150mm shell, and is capable of firing guided munitions and projected future advances in energetic propellants. ONI-operated Scorpions use an experimental shell, and Hannibal Weapon Systems has produced a prototype that uses a directed-energy weapon mounted within the barrel.
The M990 is extremely effective at penetrating heavy armor, including Type-58 Wraith tanks, and even Forerunner weapons such as the Z-510 focus turret. It is less effective against nimble aerial targets, such as the Type-54 Banshee or the Z-1800 Phaeton, but is still easily capable of penetrating their armor.
List of appearances
- Halo 5: Guardians (First appearance)
Sources
