The predecessor to Deep Freeze was Post WWII Operation High Jump 1946-47
. In 1946. Secretary of the Navy James Forrestal appointed Byrd as officer in charge of The Antarctic Developments Project. In essence Byrd's fourth Expedition. This Effort was supported by a large Naval Force (Task Force 68) . Organized by Byrd and commanded by RA Richard H. Cruzen. This compliment consisted of the following, Command ship USS Mount Olympus, thirteen US Navy support ships ,the Air Craft Carrier USS Philippine Sea,six helicopters,six flying boats,two seaplane tender and fifteen other aircraft with a total of 4000 personnel. The initial armada arrived on December 31,1946.
High Jump's objectives according to the U.S. Navy,
Training personnel and testing equipment in frigid conditions
Consolidating and extending the United States' sovereignty over the largest practicable area of the Antarctic continent (publicly denied as a goal even before the expedition ended).
Determining the feasibility of establishing, maintaining, and utilizing bases in the Antarctic and investigating possible base site.
Developing techniques for establishing, maintaining, and utilizing air bases on ice, with particular attention to later applicability of such techniques to operations in interior Greenland, where conditions are comparable to those in the Antarctic.
Amplifying existing stores of knowledge of electromagnetic, geological, geographic, hydro graphic, and meteorological propagation conditions in the area.
Supplementary objectives of the Nanook expedition (a smaller equivalent conducted off eastern Greenland).
Now the 2 covers displayed are from the command ship Mount Olympus canceled on the 10th of January 1947 ? She reached the Bay of Whales, New Zealand on 16 January 1947 and was recalled shortly after on 11 Feb 1947 to become the flagship of Amphibious Group 2.
There are other web sites that go into greater detail on the subject so check them out if interested. Enjoy