Preparing For London-Sydney Hop -- Re-assembling the trans-pacific 'Southern Cross' for a 11,300 mile hop from London to Sydney, as they await the arrival of Sir Charles Kingsford-Smith, noted Australian flyer, are, top, Robert Bolton, Chief Engineer, Thomas Pethybridge, left, co-pilot on the proposed flight and P.G.B. Morriss, the pilot's personal representative. September 2, 1935. (Photo by Associated Press Wirephoto).