MasterOfPastures
Banned
It's a cool sound effect, but overkill. It's just someone who likes to make sounds like that I think. It's not something you'd want to hear constantly while piloting one, heh. It would be good for one shot in a movie or something though.
I would imagine that the main cannon is used very sparingly, probably only against capital ships. It will probably be used in the climax of the campaign, probably in this same fashion.
Edit: probably