Screen Shot 2016-02-27 at 08.35.24 Published on April 2, 2016 in 26 March 1966Full resolution (483 × 636) Next → Allison Engine Co. test pilot Jack l. Schweibold with teh record-setting prototype Hughes YOH-6A, 62-4213, at Edwards Air Force Base, California, 1966. (FAI)