Trine makes masks optional on campus Journal Gazette Trine University announced Thursday it will move to a mask-optional policy on its main campus in Angola beginning May 10. Masks will be required at the university's Commencement ceremony on May 8. In an email Thursday to faculty, staff and students, university President Earl D. Brooks II praised the Trine community for its efforts to keep the campus safe and healthy over the past 14 months. “None of it was easy and we have certainly faced some challenges along the way,” he said. “But, through your hard work and perseverance, we have weathered the storm.”