171107-N-JH929-040 SOUTH CHINA SEA (Nov. 7, 2017) Explosive Ordnance Disposal Technician 1st Class Logan Murphey, left, gives rappelling and belaying instruction to Naval Air Crewman (Helicopter) 2nd Class Patrick Boedeker aboard the aircraft carrier USS Nimitz (CVN 68). The Nimitz Carrier Strike Group is on a scheduled deployment in the U.S. 7th Fleet area of operations in support of maritime security operations and theater security cooperation efforts. (U.S. Navy photo by Mass Communication Specialist 3rd Class Cole Schroeder/Released)