170721-N-NG136-114 MEDITERRANEAN SEA (July 21, 2017) Electronics Technician 2nd Class Simeon A. Otto conducts routine maintenance on the SPQ 43 radar aboard the aircraft carrier USS George H.W. Bush (CVN 77). The ship and its carrier strike group are conducting naval operations in the U.S. 6th Fleet area of operations in support of U.S. national security interests in Europe and Africa. (U.S. Navy photo by Mass Communication Specialist Seaman Zachary Wickline/Released)