Joseph P. Allen Status: Retired 6/27/1937 – Nationality: American Type: Government Agency: National Aeronautics and Space Administration Joseph Percival “Joe” Allen IV, Ph.D. is a former NASA astronaut. He logged more than 3,000 hours flying time in jet aircraft. Allen is married to the former Bonnie Jo Darling of Elkhart, Indiana. Their children are David Christopher, born September 1968 and Elizabeth Darling, born May 1972.