U.S. Air Force Capt. Michael Rivera, 304th Expeditionary Airlift Squadron pilot, communicates with McMurdo Station personnel, during a flight to the Antarctic Feb. 22. The final flight of the 2018-2019 Antarctic research season s brought back 99 passengers and 12,800 pounds of cargo to Christchurch, New Zealand.
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EF24-105mm f/4L IS USM
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