180416-N-RI884-0184 PHILIPPINE SEA (April 14, 2018) F-35B Lightning II aircraft line the flight deck of the amphibious assault ship USS Wasp (LHD 1) in preparation for flight operations during a certification exercise (CERTEX). CERTEX is the final evaluation in a series of training exercises which ensures readiness for crisis response throughout the Indo-Pacific region. (U.S. Navy photo by Mass Communication Specialist 1st Class Daniel Barker/Released)