3 weapon groups: 1 for 4 launchers, 2 for 5 launchers (or 4 to avoid ghost heat), and 3 to chainfire all 9. You aren't fast, just quick. 91 kph so stick with the heavies and assaults. When they engage a target, you dart around lobbing ATMs at them. If there isn't any AMS, chain it: It's almost constant with 9 launchers. If there's AMS around then use the other two weapon groups. No way around the fact that it sounds like a pea shooter but if you're in a brawl and under 270m you're dealing 81 damage every time you fire off your 9 launchers, and that's roughly 5 seconds.