Weapon Work Navy Petty Officer 2nd Class Matthew Pruskauer works on an MK50 gun weapon system aboard the USS Coronado in the Singapore Strait, May 2, 2017. The littoral combat ship is on a rotational deployment in the U.S. 7th Fleet area of responsibility. Navy photo by Petty Officer 3rd Class Deven Leigh Ellis SHARE: Download: Full Size (1.96 MB) Credit: Petty Officer 3rd Class Deven Leigh Ellis VIRIN: 170502-N-PD309-042C.JPG Photo Gallery