Faced with mounting casualties and aircraft losses, General Savage devises a new tactic for protecting his formations by removing bombs from some of his planes and outfitting them with heavier guns and more ammunition - dubbed Operation Porcupine. Before he can implement the new plan, however, he receives a visit from Senator Johnson, who is not only vehemently biased against the airwar strategy, but also holds a personal animosity toward Savage. (thetvdb.com)