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Methane Tanks are cylindrical, pyramidical, and in Halo: Combat Evolved, cones that curl-at-the-ended structures used by Covenant Unggoy (Grunts).[1] They are moderately large and resemble small fuel tanks of modern trucks.[2]
When they are really huge, they provide a place for the creatures to breathe their methane atmosphere outside of their suits. Thus, Grunts remove their suits when entering the huge methane filled tank, as they are not needed.[1]
There is a main chamber for the Grunts to reside in and a smaller chamber in front where the Grunts can change into and out of their suits.[1] These structures often have posted guards to prevent the creatures inside from being caught off guard.[3]
When shot in Halo Wars, the tanks sometimes explode due to methane's high flammability.Sometimes if you shoot it you can see blue gas seep out.
References
- ^ a b c Halo: The Flood, page 60
- ^ Halo: Ghosts of Onyx
- ^ Halo: The Flood, page 61