Petty Officer 2nd Class Andrew Krauss prepares to videotape visitors to the submarine USS Alexandria. Navy Petty Officer 2nd Class Andrew Krauss prepares to videotape visitors to the Los Angeles-class fast-attack submarine USS Alexandria (SSN 757) in the Arctic Ocean on March 17, 2007. Alexandria is taking part in exercise ICEX 07 with the Royal Navy submarine HMS Tireless (SS 88) and the applied physics ice station. The exercise is in support of arctic testing for U.S. and United Kingdom submarines being conducted on and under a drifting ice floe about 180 nautical miles off the north coast of Alaska. SHARE IMAGE: Download Image: Full Size (0.03 MB) Photo By: VIRIN: 582323-T-MHH57-656.jpg Photo Gallery