170621-N-NB178-022 MEDITERRANEAN SEA (June 21, 2017) The aircraft carrier USS George H.W. Bush (CVN 77) transits the Mediterranean Sea. George H.W. Bush is the flagship of its carrier strike group, which is 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 1st Class Tyrell K. Morris/Released)