Hard work in harsh weather
Antarctica - The Coast Guard Cutter Polar Sea plows through the ice shelf, and an Antarctic blizzard, in the Waddell Sea. As part of the Air Force-led Joint Task Force Support Forces Antarctica, Operation Deep Freeze 2007, the Polar Sea's mission is to clear a navigable channel to McMurdo, Antarctica for supply ships to get in with needed equipment and goods for scientists working there. U. S. Coast Guard photo by Petty Officer 3rd Class Kevin Neff.