first time. There have been 3 successful tests of ARRW in 2022; however the Air Force is requiring 3 additional successful tests of an All-Up Round (AUR) before making a production decision. DARPA Tactical Boost Glide vehicle HGV-202F Flown Hypersonic aircraft North American X-15 (crewed) Lockheed X-17 NASA X-43 Boeing X-51 WZ-8 HSTDV Hypersonic glide vehicle Avangard DF-ZF Hwasong-8 Unnamed Spaceplanes Space Shuttle orbiter (crewed) Buran (human-rated, only flew without crew) RLV-TD Boeing X-37 Shenlong IXV BOR-4 Martin X-23 PRIME ASSET HYFLEX Chongfu Shiyong Shiyan Hangtian Qi (disputed) Jiageng-1 Cancelled Hypersonic aircraft Silbervogel (Sänger bomber) Keldysh bomber Tupolev Tu-360, follow-on to Tu-160 Tupolev Tu-2000 Lockheed L-301 Spaceplanes Boeing X-20 Dyna-Soar Rockwell X-30 (National Aerospace Plane) Orbital Sciences X-34 Mikoyan-Gurevich MiG-105 Tsien Spaceplane 1949 HOPE-X XCOR Lynx Lockheed Martin X-33 Hermes Prometheus HL-20 Personnel Launch System HL-42 BAC Mustard Kliper HOTOL Valier Raketenschiff Rockwell C-1057 See also Hypersonic effect Supersonic transport Lifting body List of X-planes Thunderbird 1 Notes References Further reading David Wright and Cameron Tracy, "Over-hyped: Physics dictates that hypersonic weapons cannot live up to the grand promises made on their behalf", Scientific American, vol. 325, no. 2 (August 2021), pp. 64–71. Quote from p. 71: "Failure to fully assess [the potential benefits and costs of hypersonic weapons] is a recipe for wasteful spending and increased global risk." External links A comparative analysis of the performance of long-range hypervelocity vehicles (2022) Joint Air Power Competence Centre (JAPCC) Aerodynamics Aerospace engineering Airspeed