Mercy Checks Navy Petty Officer 1st Class Peter Harina, a hospital corpsman, performs operational checks on a mobile X-ray aboard the hospital ship USNS Mercy in Los Angeles, April 8, 2020. SHARE: Download: Full Size (2.35 MB) Tags: Coronavirus Credit: Navy Petty Officer 2nd Class Ryan M. Breeden VIRIN: 200408-N-PH222-1106Y.JPG Photo Gallery