Mother Hears Flyer Missi ngLT. JOSEPH A. ROBERTSON1Mrs. J. A, Robertson, 1215 SanLuis St., has been notified by thewar department that her son, Lt, Joseph A. Robertson of the Army-Air Corps, has been missing in. action in New Guinea since Jan. 18.Lt. Robertson received his wings at Luke Field, Aria., May 20; 1943. His younger brother, John, is on foreign duty with the navy. He has four sisters, Mrs. Charles N. Zivley, Virginia Beach, Va.; Mrs. Ken Paddock, Paduca; Mrs. Arthur H, Hert, St. Louis, Mo., and Mrs. Willard Bellot, Kerrviile.