April 6, 2017 - *FILE PHOTO* - President Trump ordered a massive military strike on a Syrian air base in retaliation for a 'barbaric' chemical attack he blamed on Syria's President. Navy gun ships USS Porter and USS Ross targeted Shayrat Airfield in Syria, where planes that carried out the chemical attack where launched from. Pictured: April 15, 2015 -  The guided-missile destroyer USS PORTER (DDG 78) pulls alongside the Military Sealift Command dry cargo and ammunition ship USNS Medgar Evers (T-AKE 13) before a replenishment-at-sea. Porter is participating in Joint Warrior, a United-Kingdom led training exercise designed to provide NATO and allied forces with a unique multi-warfare environment in which to prepare for global operations. (Credit Image: © U.S. Navy/ZUMA Wire/ZUMAPRESS.com)