Operation High Jump

Byrd’s fourth expedition, called “Operation Highjump,” in the summer of 1946–47, was the most massive sea and air operation theretofore attempted in Antarctica. It involved 13 ships, including two seaplane tenders and an aircraft carrier, and a total of 25 airplanes. Ship-based aircraft returned with 49,000 photographs that, together…

Navy’s Operation High Jump. This Antarctic expedition, his fourth, was the largest and most ambitious exploration of that continent yet attempted and involved 4,700 men, 13 ships (including an aircraft carrier), and 25 airplanes. Operation High Jump’s ship- and land-based aircraft mapped and photographed some 537,000…