Air Rescue 'Chopper' Shows Pickup Technique -- An H-19 helicopter of the U.S. Air Force 3rd Air Rescue Group demonstrates, for members of the 67th Tactical Reconnaissance Wing at a forward air base in Korea, the technique of snatching a man from enemy hands beyond the battleline. The 8,000-pound chopper, which can be on its way to a downed airman two minutes after an alert is received, is the combat pilot's bestfriend when he goes down in Communist territory. Since the beginning of the Korean wa