YOu dont think realisticley do you? A SupCom would kick one armies ass, but the combined armies of the three most powerful races in the galaxy united. They'd just overpower them by sheer numbers.
Saying they are highly advanced IS something. Seeing as the carriers can survive a yamato cannon easily, a focused nuclear blast into a beam, as well as their shields. Plus the fact that they DONT need to MAKE anything, they just warp them into battle.
One note, Carries can survive medium-yield nuclear warheads...
That is the worst amount of bullshit I've ever seen. One thing, the SupCom dosen't have enoguh nukes to simultaniously nuke several trillion troops, some of which would need more than one nuke to take down. SupCom cant "spam" enough missiles off in time before he gets melted into slag. Think realistically, he dosen't have several million missile launchers, which is about what he'd need.
His nukes wouldn't hit the BC, which would be in orbit, before they dropped several hundred of their own, and their Yamato takes only about 6 seconds to charge, more than enough time to shoot and evade the nukes, which would take several minutes to reach high orbit.
You cant nuke a storm...it's not a physical being or entity, it's a storm.
You didn't think that through did you?
One more thing, the zerg protoss and terran aren't going to attack him with one army at a time. They'll send them all in an a coordinated attack plan. Your SupCom is toast bud.