IN OKINAWA BANGOR — Airman Gregory D. Seymoure, son of Mr. and Mrs. Charles Seymoure, route 1, Orchard Lane, Bangor, has graduated at Lowry APB, Colo., from the munitions maintenance specialist course and is being assigned to Kadena AB, Okinawa.Seymoure is a 1971 graduate of Bangor high school.