180515-N-UX013-0113 ATLANTIC OCEAN (May 15, 2018) Stretcher-bearers transfer a simulated patient through casualty receiving aboard the U.S. Navy hospital ship USNS Comfort (T-AH 20) during a mass casualty drill in support of Comfort Exercise (COMFEX) 2018. COMFEX is an advanced-phase training exercise designed to prepare and test the capabilities of the ship’s medical professionals, ensuring readiness to rapidly answer any emergent crisis. (U.S. Navy photo by Mass Communication Specialist 3rd Class Jonathan Clay/Released)