Gunnery Training The USS Stethem fires its 5-inch gun in the Philippine Sea, Nov. 20, 2017, during a live-fire gunnery exercise as part of an annual training event between the Navy and the Japan Maritime Self-Defense Force. Navy photo by Petty Officer 2nd Class Jeremy Graham SHARE: Download: Full Size (1.68 MB) Credit: MC2 Jeremy Graham VIRIN: 171120-N-HI376-010C.JPG Photo Gallery