In one of the more amazing stories of iPhone drop survival we’ve heard, iLounge reader and U.S. Air Force Combat Controller Ron Walker has shared the story of how his iPhone 4 improbably survived a 1,000 foot fall from an airplane. According to Mr. Walker, who works as a Jump Master, ensuring that the airplane is in the correct position when he sends parachute jumpers out of the aircraft, the plane was traveling at 130 knots (roughly 150 mph)…