Col. Larry Lang accepts The United States Air Force Band guidon from Col. Gina Humble, 11th Operations Group commander, during The USAF Band assumption of command March 6, 2012 at Joint Base Anacostia-Bolling, Washington, D.C. Lang was the previous U.S. Air Force Academy Band commander at Peterson Air Force Base, Colo. (U.S. Air Force photo/ Senior Airman Perry Aston)