The key to victory in World War II lay in wresting control of the skies from the Nazis. America's most courageous pilots hurled their underrated P-47 Thunderbolts time and again against the Luftwaffe's over-whelming power, and won. This is the true story of one of the greatest Thunderbolt aces of all, Robert S. Johnson: his training, his early failures, his brushes with death and his 28 kills that helped smash the German juggernaut. Step-by-step, dogfight-by-dogfight, manoeuvre-by-manoeuvre, he details daring aerial exploits against monumental odds with America's fabled 56th Fighter Group, a special breed of men who changed the course of history.