The human's mobile missile launcher is a slow moving tank-like unit. It cannot be used in the campaign mode but can be used in mods. It can launch missiles and is not immobile, making it more effective than standard missile launchers. It is effective against walker hardpoints and slow moving enemy vehicles, but it usually needs a distraction. It usually launches one missile at a time but it's special attack launches a dozen missiles at once, similar to Mirabel's special missile attack. It is crazily expensive and you need to research to use it but it'll be worth it once you have about 5 or more.