MYSTERY SQUADRON (1933) - DVD

Stars Bob Steele, Guinn Williams, Lucile Browne, Jack Mulhall, Purnell Pratt and Robert Frazer. A squadron of mystery planes terrorizes industry in the United States. Crack piliots (Bob Steele and Guinn Williams) are in the air to investigate. Intrigue and action in the skies 1930s-style! 12 chapter  serial!