190331-N-CE622-0409 ATLANTIC OCEAN (March 31, 2019) Cmdr. Ryan Ventresca, right, commanding officer of the Arleigh Burke-class guided-missile destroyer USS Lassen (DDG 82), Lt. Ashley O'Keefe, left, the planning and tactics officer aboard Lassen, and members of the wardroom conduct a lessons learned critique during a sustainment exercise. Lassen is a part of the Harry S. Truman Carrier Strike Group participating in SUSTEX, an integrated, comprehensive exercise designed to ensure HSTCSG is ready to meet all mission sets and carry out sustained combat operations from the sea. (U.S. Navy photo by Mass Communication Specialist 3rd Class Katie Cox/Released)