Ice Divers Katrin Iken (left) and Elizabeth Calvert (right) are about to
descend through a small hole in the ice and into the frigid world below.
Image ID: expl1912, Voyage To Inner Space - Exploring the Seas With NOAA Collect Location: Alaska/Beaufort Sea/Arctic Ocean Photo Date: 2005 July 24 Credit: Hidden Ocean Expedition 2005/NOAA/OAR/OER
