Lt. Col. Jason Compton and Maj. Charles Chesnut, 99th Medical Group general surgeons, pose for a portrait in the Mike O’Callaghan Military Medical Center at Nellis Air Force Base, Nev., Oct. 3, 2017. The surgeons were two members of the team that took in trauma patients at the University Medical Center of Southern Nevada during the Las Vegas shooting Oct. 1, 2017. (U.S. Air Force photo by Senior Airman Kevin Tanenbaum)