The Arleigh Burke-class guided-missile destroyer USS Curtis Wilbur (DDG 54) fires a mark 45 five-inch gun from the forecastle during a live-fire training while operating in the Philippine Sea, March 10, 2019.
U.S. Navy warships train together to increase the tactical proficiency, lethality, and interoperability of participating units in an era of great power competition. (U.S. Navy photo by Mass Communication Specialist 1st Class Alexandra Seeley). Original public domain image from Flickr