Rockair was a United States sounding rocket designed for launch from an airplane, which was tested 1955. The Rockair had a maximum height of 50 km (160,000 ft), a takeoff thrust of 3.00 kN (675 lbf), a diameter of and a length of . External links https://web.archive.org/web/20050212235252/http://astronautix.com/lvs/rockair.htm Sounding rockets of the United States