Last mission seems kind of bugged - The three freighters will inevitably fire at each other with their flak cannons, so no matter how well I do, they take themselves -- and me, of course -- out. Other than the last mission, a pretty solid demo! I do wonder why my wing was constantly equipped with prometheus weapons when Keysers were available in the loadout, though.
Edit: I made it somehow this time - Chose the ares, then camped in the cover of the cruisers with two maxim guns, taking out the engines one by one, then smashing the fighterbay. Not sure if that last part did anything, but that was my only plan.