PETERSON, Harold W., left, and George Callahan 2

Published on in 5 January 1956Full resolution (640 × 440)

Harold W. Peterson (left) and George Callahan, with the prototype Piasecki YH-16A Turbo Transporter, 50-1270. (Photograph courtesy of Neil Corbett, Test and Research Pilots, Flight Test Engineers)

Leave a Reply

Your email address will not be published. Required fields are marked *