170820-N-FM530-258 MEDITERRANEAN SEA (Aug. 20, 2017) Lt. Heidi Novak serves as a safety observer during a recreational swim call Aug. 20, 2017 for Sailors and Marines assigned to the San Antonio-class amphibious transport dock ship USS Mesa Verde (LPD 19). The ship is deployed with the Bataan Amphibious Ready Group and 24th Marine Expeditionary Unit to support maritime security operations and theater security cooperation efforts in the U.S. 6th Fleet and U.S. 5th Fleet areas of operations. (U.S. Navy photo by Mass Communication Specialist 2nd Class Brent Pyfrom/Released)