NORFOLK (Nov. 12, 2020) Hospital Corpsman 2rd Class Pablo Flemate, assigned to Walter Reed National Military Medical Center, prepares a patient for an X-ray during a mass casualty drill aboard the amphibious transport dock ship USS Arlington (LPD 24), Nov. 12, 2020. Arlington is the first amphibious transport dock ship to conduct mass casualty drills as a Casualty Receiving Treatment Ship. A CRTS is a Navy Medicine platform comprised of additional medical personnel and equipment designated to augment an expeditionary strike group ship to boost warfighter survivability during a mass casualty. (U.S. Navy photo by Mass Communication Specialist 2nd Class John D. Bellino)