160808-N-IX266-003 SINGAPORE—Anton Clemens, team leader from Afloat Training Team-West, Military Sealift Command, watches civilian mariner Lashar O’Neil (left), ordinary seaman, use the Portable Exothermic Cutting Unit during a training event aboard the USNS Walter S. Diehl (T-AO 193) here, Aug 6. (U.S. Navy photo by Grady T. Fontana/Released)