160321-N-BH414-022 ATLANTIC OCEAN (March 21, 2016) - Sailors rehearse putting on self-contained breathing apparatuses (SCBAs) in the hangar bay of the aircraft carrier 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 Seaman Apprentice Casey S. Trietsch/Released)