170611-N-ME396-250 MEDITERRANEAN SEA (June 11, 2017)

170611-N-ME396-250 MEDITERRANEAN SEA (June 11, 2017) Chief Machinery Repairman Mike Martin uses a lathe to bore a cuplink for an O2N2 plant in the machine shop aboard the aircraft carrier USS George H.W. Bush (CVN 77) (GHWB). GHWB, part of the George H.W. Bush Carrier Strike Group (GHWBCSG), 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 3rd Class Tristan B. Lotz/Released)