Similar non-conventional landing apparatus were previously deployed in limited numbers for airborne aircraft recovery on the 1930s US Navy dirigibles to retrieve small fighters. The Brodie system differed in that the system was based on a wire capture with a larger (longer) target to hit by the pilot. Even though it could be mounted to moving objects, it was also suitable for fixed installations in the jungle. Brodie was issued US Patent # 2, 435,197, # 2,488,050, # 2,488,051, # 3,163,380 for variations of the landing system.