190920-N-LF425-0038 YOKOSUKA, Japan (Sept. 20, 2019) U.S. Naval Hospital Yokosuka (USNHY) in coordination with the Japanese Maritime Self-Defense Force (JMSDF) Hospital held a joint mass casualty drill on Sept. 20. Teams from both hospitals simulated a response to a major earthquake event in the area with the intent of exercising their ability to provide a coordinated emergency medical response effort. (U.S. Navy photo by Erika Figueroa/Released)