190920-N-HM950-1050 VIRGINIA BEACH, Va. (Sept. 20, 2019) Arvin Persaud, a mechanical planning engineering technician at the Mid-Atlantic Regional Maintenance Center, explains the uses of 3D printing technology to students from Virginia Beach, Virginia, during a science, technology, engineering and mathematics (STEM) community outreach event at Naval Air Station Oceana. (U.S. Navy photo by Aaron Glover/Released)