Tech. Sgt. T. Mack, 97th Force Support Squadron noncommissioned officer in charge of the Altus Air Force Base Honor Guard, showcases the different capabilities of a 3D model software and printer at Altus AFB, Okla., May 8, 2020. Mack has a personal 3D printer that he has been utilizing since 2014 and used his knowledge to assist with coronavirus mitigations. (U.S. Air Force photo by Chief Master Sgt. Michael Molzhon)