In October 2005, two mountaineers climbing above Mendel Glacier in the High Sierra found the mummified remains of a man in a WWII uniform, entombed in the ice. The "Frozen Airman" discovery created a media storm and a mystery that drew author Peter Stekel to investigate. What did happen to the four-man crew who perished on a routine navigation training flight in 1942, 150 miles off-course from its reported destination?