Never lose heart! One dedicated individual can change the course of history. Col. Bill Rutledge (Ret. USAF) discusses author John Bruning’s book Indestructible: One Man’s Rescue Mission That Changed the Course of WWII. Indestructible is the story of Pappy Gunn. Col. Rutledge notes that even though Pappy Gunn had only six years of schooling, his creativity and innovation ultimately prevented the Japanese from invading Australia.