lol numbers, as crazy as it looks.. not a bad idea.
It would be hard to put a surface to air missile system on a bike and heavy, also the areas of potential conflict will mostly be in barren this is where a motorcross bike is at best as it is nimble and able to go in nooks and crannies withought being compromised of speed, all in all that is why it is easier to have a person on the back with a sam launcher.