Antiterrorism and Operational Security, also known as OPSEC, will lead off this year’s U.S. Army Corps of Engineers Industry Day event. The session will provide potential contractors an overview of current antiterrorism and OPSEC contract clauses, training and on-site requirements. The Corps’ industry day event is Nov. 1, 2017, from 9 a.m. to 2:30 p.m. at Camp Withycombe in Clackamas, Oregon. Seating is limited and registration is required.