IN SERVICEWALTER A. VAUGHANFORT MEADE, Md. - U. S. Air Force Staff Sergeant Walter i A. Vaughan, son of Clifford I Vaughan of Rt. 1, Crewe, Va.,I has arrived for duty at Fort George G. Meade.Sergeant Vaughan, an ad-■ ministrative supervisor. i s assigned to a unit of the U. i S. Air Force Security Service. He previously served at Da Nang AB, Vietnam.! A 1953 graduate of Luther H. j Foster High School, Nottoway, Va., the sergeant attended National Business School in Nashville. Tenn.His wife, Birnell, is the daughter of .Mrs. Newt Arrington of Rt. 2, Heidelberg, j