190408-N-UJ486-0390 ATLANTIC OCEAN (Apr. 8, 2019) Commander, Carrier Strike Group Eight, Rear Admiral Gene Black, left, and Sen. David Perdue observe flight operations aboard the Nimitz-class aircraft carrier USS Harry S. Truman (CVN 75). Truman is participating in a sustainment exercise (SUSTEX) with the Harry S. Truman Carrier Strike Group (HSTCSG), 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 Rebekah A. Watkins/Released)