Voyage to the Bottom of the Sea named for the radio message he sent to the Chief of Naval Operations to announce that "Nautilus" had reached the pole. His second book about these missions, "The Ice Diaries: The Untold Story of the Cold War's Most Daring Mission" (with Don Keith), was completed shortly before Anderson's death. This second book includes many previously classified details. On March 17, 1959, the nuclear submarine , under the command of Commander (later Vice Admiral) James F. Calvert, became the first submarine to surface at the North Pole. While at the Pole, her crew scattered the ashes of Arctic explorer Sir Hubert
Farthest North 1948. On , a US Navy submarine, also named , was the first to sail under the ice pack to reach the North Pole. On , the became the first submarine to surface at the North Pole. In 1968, British explorer Sir Wally Herbert became the first person to indubitably reach the Pole on foot, having sledged from Alaska. His expedition was supported by air drops. Farthest North Farthest North describes the most northerly latitude reached by explorers before the conquest of the North Pole rendered the expression obsolete. The Arctic polar regions are much more accessible than those of