Donald Wrublesvisit parentsGENOA — Lt. and Mrs. Donald F. Wruble visited here with his parents, Mr. and Mrs. Ted Wruble. Lt. Wruble is stationed at Las Vegas, Nev., as a radiological health specialist for the U.S. Public Health Department.During the past year, Lt. Wruble made two trips to the Arctic as a public relations officer for Project Chariot, and has now been named project officer for Project Coach, the underground nuclear detonation this spring at Carlsbad. N.M. This test is to be conducted as part of the Plowshare Program, for further development of the peaceful uses of atomic energy.