Col. R. Ryan Messer, 53rd Wing commander, Eglin Air Force Base, Florida, passes the 53rd WG guidon to Col. William Creeden, 53rd Test and Evaluation Group incoming commander, during a change of command ceremony at Nellis AFB, Jul. 10, 2019. Creeden is a command pilot with over 1500 hours in the F-22 Raptor fighter jet and the F-15C Eagle fighter jet, and has served in five different squadrons, three fighter wings, and at the MAJCOM level. (U.S. Air Force photo by Airman 1st Class Dwane R. Young)