Col. Cavan Craddock, 99th Air Base Wing commander, speaks during a ceremony celebrating the Mike O’Callaghan Military Medical Center’s 25th Anniversary at Nellis Air Force Base, Nevada, Nov. 12, 2019. The event served to not only commemorate O’Callaghan, but also as an official groundbreaking ceremony for a new wing of the hospital. (U.S. Air Force photo by Senior Airman Kevin Tanenbaum)