180314-N-NG136-010 NORFOLK (March 14, 2018) Machinery Repairman Fireman Bryan Chaparrovazquez faces stainless steel material on a lathe aboard the aircraft carrier USS George H.W. Bush (CVN 77). The ship is pierside in Norfolk, Va., conducting sustainment exercises to maintain carrier readiness. (U.S. Navy photo by Mass Communication Specialist 3rd Class Zachary P. Wickline/Released)