Navy Ensign Duncan B. Cooper, III, son of Mr and Mrs. Duncan B. Cooper of 1800 Idle-wild lane, Homewood, recently served aboard t h e icebreaker USS Burton Island while serving a tour with the forces of “Operation Deep Freeze in theAntarctic region.Burton Island, a unit of the Pacific Service force, helped' i the force celebrate its 22nd an- I niversary last month The force I