南磁極
Shackleton's original unpublished plan envisaged basing himself at the old "Discovery" Expedition headquarters in McMurdo Sound. From there he proposed to launch attempts to reach the geographical South Pole and the South Magnetic Pole. Other journeys would follow, and there would be a continuous programme of scientific work. This early plan also revealed Shackleton's proposed transport methods, involving a combination of dogs, ponies and a specially designed motor vehicle.