Defenders welcome new commander
Col. Stephen Kravitsky, 90th Missile Wing commander, passes the guidon to Col. Christopher Corley, 90th Security Forces Group commander, during the 90th SFG change of command ceremony June 29, 2015, as Chief Master Sgt. Stephen Thompson, 90th SFG chief enlisted manager, stands in the background in the Peacekeeper High Bay on F.E. Warren Air Force Base, Wyo. The ceremony signified the transition of command from Col. Craig Allton to Corley. (U.S. Air Force photo by Senior Airman Jason Wiese)