U.S. Air Force Airmen, assigned to the 109th Airlift Wing, New York Air National Guard, load cargo onto an LC-130 “Skibird”, a ski equipped aircraft, at McMurdo Station, Antarctica, Dec. 28, 2018. The 109th AW provided aviation support to U.S. Antarctic research mission from October 2018 to February 2019 as part of Operation Deep Freeze, the U.S. military support to the National Science Foundation. (U.S. Air National Guard photo by Tech Sgt. Gabriel Enders)