Sepia-tone photo mounted on printed cardstock (photo 5 x 3 ½”). The 1955-58 Commonwealth Trans-Antarctic Expedition (CTAE )was a Commonwealth-sponsored expedition that successfully completed the first overland crossing of Antarctica via the South Pole. It was the first expedition to reach the South Pole overland in 46 years, preceded only by Amundsen’s and Scott’s respective parties in 1911 and 1912.