160324-N-QY430-469 ATLANTIC OCEAN (March 24, 2016) The Los Angeles-class attack submarine USS Helena (SSN 725) transits the Atlantic Ocean with the USS Dwight D. Eisenhower (CVN 69), the flagship of the Eisenhower Carrier Strike Group.. Ike is underway conducting a Composite Training Unit Exercise (COMPTUEX) with the Eisenhower Carrier Strike Group in preparation for a future deployment. (U.S. Navy photo by Mass Communication Specialist 1st Class Rafael Martie/Released)