Lt. Col. Roy Vernon, 421st Medical Battalion (Multifunctional) commander, provides a crisp salute in passing of the reviewing party as his sharp Viper Medic Soldiers conduct an “Eyes Right” head-facing maneuver during the 30th Medical Brigade’s change of command and responsibility ceremony on May 18, 2015, at Sembach Parade Field, Germany. (U.S.Army photo by Visual Information Specialist Elisabeth Paque/Released)