200511-N-DQ752-1006 PACIFIC OCEAN (May 11, 2020) Cryptologic Technician (Technical) 2nd Class Zachary Phillips uses a signal generator to verify signal connectivity aboard the aircraft carrier USS Nimitz (CVN 68). Nimitz is underway conducting a composite unit training exercise (COMPTUEX). COMPTUEX is an intensive exercise designed to fully integrate units of the carrier strike group, while testing a strike group�s ability as a whole to carry out sustained combat operations from the sea. (U.S. Navy photo by Mass Communication Specialist 3rd Class Cheyenne Geletka/Released)