Operation Deep Freeze

Operation Deep Freeze is the codename for a series of United States missions to Antarctica.

Operation Deep Freeze I
Operation Deep Freeze I transpired over the Antarctic summer of November 1955 to April 1956. It prepared permanent research station Little America V for the International Geophysical Year. The expedition was filmed by the U.S. Navy and Walt Disney Studios. It completed all its objectives:


 * Nine successful long-range exploratory flights
 * Construction of main base at Little America
 * Assembly of materials for Byrd Station at Little America
 * Construction of U. S. Naval Air Operating Facility at McMurdo Sound
 * Assembly of materials for Pole Station at the aforesaid AirOpFac
 * Location of a site for joint New Zealand-United States IGY Station in the northern part of Victoria Land
 * Location of an IGY base site at Vincennes Bay, Knox Coast
 * Exploration of Princess Astrid Coast for location of Gap Station
 * Location of IGY base site in the vicinity of the Weddell Sea

Operation Deep Freeze II
Operation Deep Freeze II in 1956-57 was intended to build a permanent station at the South Pole along with establishment of three other IGY stations, Byrd Station in Marie Byrd Land, Wilkes Station in Vincennes Bay, and Ellsworth Station on the Filchner Ice Shelf.

Operation Deep Freeze III
Operation Deep Freeze III ran from 1 July 1957 through 31 December 1958. It transported scientific personnel and supplies to the continent and provided logistical support for IGY research.