170508-N-PD309-119 JOHOR STRAIT, Singapore (May 8, 2017) A tugboat assists the littoral combat ship USS Coronado (LCS 4) navigate tyhe Johore Strait during a sea and anchor detail. Coronado is on a rotational deployment in U.S. 7th Fleet area of responsibility, patrolling the region's littorals and working hull-to-hull with partner navies to provide 7th Fleet with the flexible capabilities it needs now and in the future. (U.S. Navy photo by Mass Communication Specialist 3rd Class Deven Leigh Ellis/Released)