MCMURDO STATION, Antarctica - With the right gear for austere environments, Airmen from Joint Base Lewis-McChord, Wash., can complete their mission of delivering advance teams and cargo in support of the U.S. Antarctic program and the National Science Foundation, in preparation for Operation Deep Freeze. This year's WINFLY period begins Aug. 9 and is scheduled to last until Aug. 29. (Courtesy photo/ Chief Master Sgt. James Massura).