Admiral Richard E. Byrd's fourth Antarctic expedition, code-named "Highjump", from August 1946 to February 1947 involved 13 ships, over 4,000 men, 50 cameras and 40 vehicles.
Footage of U.S. Navy ships identifiable in this documentary include the U.S.S. Mount Olympus (AGC-8), U.S.S. Pine Island (AV-12), U.S.S. Currituck (AV-7), U.S.S. Cacapon (AO-52), U.S.S. Brown (DD-546), U.S.S. Philippine Sea (CV-47), U.S.S. Sennet (SS-408), U.S.S. Merrick (AKA-97), U.S.S. Yancey (AKA-93) and the U.S.S. Brownson (DD-868). Also featured is the U.S. Coast Guard icebreaker U.S.C.G.C. Northwind (WAGB-282).
This film was a mild success at the box office, earning MGM a profit of $10,000 ($104,000 in 2017) according to studio records.
[Foreword] We gratefully acknowledge our indebtedness to the U.S. Navy which made possible the presentation of this authentic film of the Navy's recent expedition "Operation Highjump" to the Secret Land of Antarctica.