Information Systems Technician 3rd Class John Erskine, Chief Information Systems Technician Jennifer Williams, Cryptologic Technician (Networks) 2nd Class Tyrone Fuller, and Information Systems Technician 2nd Class Amanda Kisner work together to assess the security of the computer networks aboard the aircraft carrier USS George H.W. Bush (CVN 77). George H.W. Bush is conducting training and carrier qualifications in the Atlantic Ocean. (U.S. Navy photo by Mass Communication Specialist 2nd Class Leonard Adams Jr.)