He got his pilot's license at 14, was named best aviator in his class at the Air Force Academy, flew fighter jets, investigated air disasters, mastered glider flying and even studied the psychology of how cockpit crews behave in a crisis.

When the ultimate test came on a descent over the Hudson River, he spoke into the intercom only once and gave perhaps the most terrifying instruction a pilot can give - "Brace for impact" - with remarkable calm.