On 1 January 1908, the set off on the British Antarctic Expedition from Lyttelton Harbour, New Zealand. Shackleton's original plans had envisaged using the old "Discovery" base in McMurdo Sound to launch his attempts on the South Pole and South Magnetic Pole. Before leaving England, he had been pressured to give an undertaking to Scott that he would not base himself in the McMurdo area, which Scott was claiming as his own field of work. Shackleton reluctantly agreed to look for winter quarters at either the Barrier Inlet—which "Discovery" had briefly visited in 1902—or King Edward VII Land.