Dummy Duty Navy Seaman Dyllon R. Canady makes an incision to the neck of a dummy patient during a mentorship event aboard the hospital ship USNS Mercy in the Pacific Ocean, March 9, 2018. Navy photo by Petty Officer 2nd Class Kelsey L. Adams SHARE: Download: Full Size (1.58 MB) Credit: PO2 Kelsey L. Adams VIRIN: 180309-N-RM689-0114C.JPG Photo Gallery