Lt. Gen. Maryanne Miller, Chief of Air Force Reserve, Headquarters U.S. Air Force, Washington, D.C., and Commander, Air Force Reserve Command, Robins Air Force Base, Georgia, and Chief Master Sgt. Ericka Kelly, Command Chief of Air Force Reserve Command, observe a 3-D printing demonstration from Staff Sgt. James Phillis Jr., an aircraft metals tech journeyman here, August 5, 2017. Miller and Kelly visited Youngstown Air Reserve Station during the August UTA, hosting an enlisted call and participating in capability demonstrations in several shops. (U.S. Air Force photo/ Senior Airman Jeffrey Grossi)