YOUNGSTOWN AIR RESERVE STATION, Ohio --   Adam Ryba, representing the Air Force Rapid Sustainment Office, briefs an audience on the use of parts created through additive manufacturing (3-D printing) for Air Force aircraft. Youngstown Air Reserve Station hosted a two-day regional additive manufacturing meeting here, gathering industry professionals and partners from other military installations, America Makes, Youngstown State University, the Air Force Research Labs and more July 17-18. The meeting helped organizations and key personnel swap information on advances in and applications for additive manufacturing. (U.S. Air Force photo/Eric M. White)