90 SFS Welcomes new commander
Col. Craig Alton, 90th Security Forces Group commander, passes the 90th Security Forces Squadron guidon to Maj. Amy Rivera as she assumes command of the squadron during a change-of-command ceremony in the Peace Keeper High Bay on F.E. Warren Air Force Base, Wyo., July 1, 2014. (U.S. Air Force photo by Airman Malcolm Mayfield)