National Geographic : 1998 Nov
SCOTTPOLARRESEARCHINSTITUTE(BOTH) PREPARING TO ABANDON SHIP Nine months laterShackleton, top right, watched as the massive icefloes tightened theirgrip. Endurance lurched 30 degrees to port, causingan avalanche of stores, sledges, dogs, and men. The pressure eased but returned to squeeze and splinter the ship until ice alone held her afloat.After a ten-day battle Shackleton surrendered."She's going, boys," he said. "I think it's time to get off."