Maj. Claudia Perry, a flight nurse with the 446th Aeromedical Squadron, listens to a patient evaluation aboard the hospital ship USNS Mercy July 9, 2018, on Joint Base Pearl Harbor – Hickam. Live mock causality patients from Joint Base Lewis – McChord were transported to the ship by a C-17 Globemaster III. (U.S. Air Force photo by David L. Yost)