190404-N-GY475-0395 ATLANTIC OCEAN (April 4, 2019) Lt. Mark Knorr signals that an F/A-18E Super Hornet assigned to the "Knighthawks" of Strike Fighter Squadron (VFA) 136 is ready for launch aboard the Nimitz-class aircraft carrier USS Harry S. Truman (CVN 75). Harry S. Truman is currently underway conducting a sustainment exercise with Carrier Strike Group (CSG) 8 ships and squadrons to maintain qualifications and a deployment-ready status. (U.S. Navy photo by Mass Communication Specialist 3rd Joseph A.D. Phillips/Released)