Brig. Gen. Frederick Castle, commander of 4th Combat Bombardment Wing and former commander of US 94th Bomb Group, promoted 14 December 1944, ten days before his death. (US Army Air Forces photo). On 24 December 1944, Castle was killed when his B-17 crashed in a mission over the Ardennes. For his actions holding the plane aloft to give his crew time to bail out, he received the Medal of Honor.