Electrician's Mate 2nd Class Dyshawn Mitchell observes his shipmates in Navy Cargo Handling Battalion One as they unload cargo from the Military Sealift Command ship MV American Tern at McMurdo Station, Antarctica, during a recent Operation Deep Freeze season. The U.S. military will kick off the 2009-2010 season of Operation Deep Freeze, the Department of Defense's support of the U.S. Antarctic Program and the National Science Foundation, on Sept. 25. (U.S. Navy photo/Lt. Sean Spicer)