Keywords: USS Annapolis ICEX cropped contrast brightness.jpg en The US Navy attack submarine USS Annapolis SSN 760 rests in the Arctic Ocean after surfacing through three feet of ice during Ice Exercise 2009 on March 21 2009 The two-week training exercise which is used to test submarine operability and war-fighting capability in Arctic conditions also involved the USS Helena SSN 725 the University of Washington and personnel from the Navy Arctic Submarine Laboratory 2009-03-21 14 54 06 https //commons wikimedia org/wiki/File USS_Annapolis_ICEX jpg US Department of Defense photo by Petty Officer 1st Class Tiffini M Jones U S Navy other versions PD-USGov Uploaded with UploadWizard USS Annapolis SSN-760 Ice Exercise 2009 Images from US Navy location Arctic Ocean Arctic sea ice |