The Martin X-23A PRIME (Precision Reentry Including Maneuvering reEntry) (SV-5D) is a small lifting-body re-entry vehicle tested by the United States Air...

The Martin Marietta X-24 is an American experimental aircraft developed from a joint United States Air Force–NASA program named PILOT (1963–1975). It...

Materials as a separate and independent entity Martin X-23 PRIME Martin Marietta X-24A Martin Marietta X-24B AGM-12 Bullpup AGM-62 Walleye Titan (rocket...

lifting body, foreshadowing future development of winged spacecraft such as the X-20 Dyna-Soar of the 1960s and the Space Shuttle of the 1970s. In the end,...

Atlas V launch vehicle. Spaceflight portal Martin X-23 PRIME Kliper Mikoyan-Gurevich MiG-105 BOR-4 NASA X-38 Dream Chaser Prometheus Space Shuttle Spaceplane...

safe distance. Boeing X-51 Prompt Global Strike, a follow-on military project Rockwell X-30 (National AeroSpace Plane) Lockheed Martin SR-72 Boost-glide "US...

closer in design philosophy to the Dyna-Soar, while NASA's Martin X-23 PRIME and Martin Marietta X-24A/HL-10 research aircraft also explored aspects of sub-orbital...

Buran (human-rated, only flew without crew) RLV-TD Boeing X-37 Shenlong IXV BOR-4 Martin X-23 PRIME ASSET HYFLEX Reusable experimental spacecraft (disputed)...

features the HL-10 as a prop of the story. Martin X-23 PRIME BOR-4 Kliper Lockheed Star Clipper Lockheed Martin X-33 HL-20 Personnel Launch System Dream Chaser...

and the Air Force Research Laboratory. Boeing was the prime contractor for the OTV program. The X-37B was designed to remain in orbit for up to 270 days...

attempts to develop a reusable space launch vehicle. The Rockwell X-30 in the 1980s and X-33 VentureStar in the 1990s never flew because of immature technologies...

vehicles, including the X-20 Dyna-Soar, Northrop M2-F2, Northrop M2-F3, Northrop HL-10, Martin X-24A and X-24B, and Martin X-23 PRIME. The name "Dream Chaser"...

testbed had flown successfully. At the time of the planning phase for HOPE-X, Japanese spaceflight had seen a string of successful advancements in the...

European Space Agency (ESA). It was superficially similar to the American Boeing X-20 Dyna-Soar and the larger Space Shuttle. In January 1985, CNES proposed...

analogs were the X-23 PRIME and ASSET. Several of these craft have been preserved in aerospace museums around the world. Data from Soviet X-planes General...

M2-F3 Aircraft of comparable role, configuration, and era Martin Marietta X-24A Martin X-23 PRIME Northrop HL-10 Related lists List of experimental aircraft...

(PRIDE program) which went ahead to develop an initial test vehicle, Pre-X, followed the prototype named Intermediate eXperimental Vehicle (IXV) and...

successor of OREX and was a precursor for the Japanese space shuttle HOPE-X. HYFLEX tested the carbon-carbon heat shielding tiles that were intended to...

prime is a prime that has a prime gap of two. Sometimes the term twin prime is used for a pair of twin primes; an alternative name for this is prime twin...

were reached in around 2001. Chinese reusable experimental spacecraft Boeing X-37 – American reusable spacecraft Moss, Trefor (4 September 2020). "China...

Curtiss-Wright X-19 – VTOL tiltrotor Boeing X-20 Dyna-Soar – Spaceplane program Northrop X-21 – Laminar flow wing Bell X-22 – Ducted fan V/STOL Martin X-23 PRIME –...

July 10, 2001. Spaceplanes of comparable role, configuration and era Boeing X-37 Buran Dream Chaser Skylon Space Rider Space Shuttle SpaceShipTwo "India...

three days after the first expected X Prize flight, by Scaled Composites, on September 29, 2004. However, on September 23, 2004 the da Vinci project announced...

vehicles, including the X-20 Dyna-Soar, Northrop M2-F2, Northrop M2-F3, Northrop HL-10, Martin X-24A and X-24B, and Martin X-23 PRIME. The vehicle to be used...

early 1980s Lockheed Aequare LTV XQM-93 MA-31 Marcus UAV Devil Ray Martin X-23 PRIME Martin Marietta Model 845 McDonnell KDD, TD2D Katydid McDonnell KSD Gargoyle...

Force ASSET program in the 1960s, which tested the heatshield design for the X-20 Dyna-Soar. On 16 March 1983: 207  a Royal Australian Air Force P-3 Orion...

log(x) without a subscript base should be interpreted as a natural logarithm, also commonly written as ln(x) or loge(x). In mathematics, the prime number...

CDR planned in mid-2022. In December 2020, ESA signed contracts with co-prime contractors Thales Alenia Space and Avio for delivery of the Space Rider...

first-generation SpaceShipOne and mothership White Knight, which won the Ansari X Prize in 2004. SpaceShipTwo had 43 and 33 cm (17 and 13 in)-diameter windows...

volume: 30.00 m3 (6,5 x 2,5 m) Launch mass: 19.950 kg Landing mass: 17.800 kg Empty mass: 13.800 kg Payload: 4.000 kg Engines: 11D442 (2) x 445 kgf Propellants:...