Col. Ron Smith, Deputy Commander, Joint Task Force-Support Forces Antarctica, explains the unique and ongoing mission of Operation DEEP FREEZE to New Zealand Prime Minister Helen Clark and Mr. Paul Hargreaves, Chairman, Antarctica Programs New Zealand, who were in Antarctica for the 50th anniversary of Scott Base. The 13th Air Force-led JTF-SFA, Operation Deep Freeze, is the U.S. military’s support of the National Science Foundation and the U.S. Antarctic Program. ODF is the name given to operational and logistic support conducted by the U.S. Air Force, U.S. Navy, and U.S. Coast Guard since 1955.