Staff Sgt. Seth Rollins, 76th Propulsion Maintenance Group engine mechanic, installs an additively manufactured anti-ice gasket onto a TF33-P103 engine at the Oklahoma City Air Logistics Complex on Tinker Air Force Base, Okla., June 8, 2020. Members of the OC-ALC have produced the first additively manufactured metal jet engine part successfully installed and tested on a U.S. Air Force aircraft engine. (photo courtesy of Oklahoma City Air Logistics Complex)