160324-N-EO381-161 ATLANTIC OCEAN (March 24, 2016) The Los Angeles-class attack submarine USS Helena (SSN 725) transits the Atlantic Ocean with 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 Seaman Casey J. Hopkins/Released)