Gen. Arnold Bunch Jr., commander of Air Force Materiel Command, addresses the audience during the Air Force Installation and Mission Support Center change of command July 25 at Joint Base San Antonio-Lackland. Outgoing commander, Maj. Gen. Brad Spacy, and incoming commander, Maj. Gen. Tom Wilcox (right), are seated while Chief Master Sgt. Edwin Ludwigsen, AFIMSC command chief master sergeant, holds the unit flag. (U.S. Air Force photo by Johnny Saldivar)