ANTARCTICA- A group of Emperor Penguins rest as the crew of the Coast Guard Cutter Polar Sea enjoys its first "ice liberty." The Polar Sea is in Antarctica as part of the Air Force-led Joint Task Force Support Forces Antarctica, Operation Deep Freeze 2007, clearing a navigable channel for supply ships to get needed equipment and goods to scientists working in McMurdo. (US Coast Guard Photo by Petty Officer 3rd Class Kevin J. Neff)