San Diego. Cal., Aug. 14—Six army fliers, who recently qualified for the rank of junior military aviator, received orders from the war department at Washington today to proceed from San Diego to Columbus, N. M., to join the first aero squadron under the command of Captain Foulois.The officers are Lieut. Leo G. Hef-fernan, George IT. Brett, George E. Roinburg, John C. McDonnell, John W. Butts and Sheldon H. Wheeler. The first aero squadron now numbers 24 aviators.