170817-N-RU971-150 CORAL SEA (Aug. 17, 2017) Machinist’s

170817-N-RU971-150 CORAL SEA (Aug. 17, 2017) Machinist’s Mate 3rd Class John Pope, from Columbia, S.C., investigates improper combustion, simulated by Machinist’s Mate 2nd Class Caleb Williamson, from Apple Valley, Calif., during a boiler white smoke drill in the forward main machinery room of the amphibious assault ship USS Bonhomme Richard (LHD 6). Bonhomme Richard, flagship of the Bonhomme Richard Expeditionary Strike Group, is operating in the Indo-Asia-Pacific region as a ready-response force for any type of contingency while supporting the 31st Marine Expeditionary Unit (MEU) during a certification exercise (CERTEX). (U.S. Navy photo by Mass Communication Specialist 2nd Class Cameron McCulloch/Released)