Surgical Supervision Instructors evaluate students of a Navy course during a combat surgery exercise in Norfolk, Va., July 31, 2017. The course aims to build a mobile unit equipped to set up a functioning medical area with advanced trauma life support capabilities. Navy photo by Petty Officer 2nd Class Michael J. Lieberknecht SHARE: Download: Full Size (1.63 MB) Credit: Petty Officer 2nd Class Michael J. Lieberknecht VIRIN: 170731-N-AO823-068C.JPG Photo Gallery