Exercise Unified Trident 17
170201-N-CS953-010 ARABIAN SEA (Feb. 1, 2016) The Arleigh Burke-class guided-missile destroyer USS Mahan (DDG 72), steams along in formation with ships from three other countries during Exercise Unified Trident 2017. Unified Trident is a multilateral maritime exercise with the U.S. Navy, Royal Navy, Australian Royal Navy and French Marine Nationale to be a enhance mutual capabilities improve tactical proficiency and strengthen partnerships in ensuring the free flow of commerce and freedom of navigation within the 5th Fleet area of operation. (U.S. Navy photo by Mass Communication Specialist 1st Class Tim Comerford)