Tracer Task Navy Seaman Walter Johnson loads practice tracers into a 25 mm machine gun system aboard the USS Ronald Reagan in Yokosuka, Japan, Sept. 8, 2017, as the aircraft carrier leaves for a routine patrol. Navy photo by Petty Officer 2nd Class Janweb B. Lagazo SHARE IMAGE: Download Image: Full Size (1.91 MB) Photo By: PO2 Janweb B. Lagazo VIRIN: 170908-N-CL027-016Y.JPG Photo Gallery