A North Korean-flagged tanker, the Morning Glory, is seen docked at the Es Sider export terminal in Ras Lanuf in this March 8, 2014 file photo. What began late in 2013 as a routine new assignment for Pakistani sea captain Mirza Noman Baig ended in a dramatic night-time rescue as U.S. special forces seized the ship his family said he was forced to operate by Libyan rebels. Picture taken March 8, 2014. REUTERS/Esam Omran Al-Fetori/Files