What does UAV stand for?
UAV stands for Unpiloted Air Vehicle
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NASA Dryden had several major roles in Phase I of the Hyper-X program, which was a joint Dryden/NASA Langley Research Center program conducted under NASA's Aeronautics and Space Transportation Technology Enterprise. Dryden's primary responsibility was to fly three unpiloted X-43A research vehicles to help prove both the engine technologies, the hypersonic design tools and the hypersonic test facilities developed at Langley. NASA Langley, Hampton, VA, had overall management of the Hyper-X program and led the technology development effort. Through this Langley/Dryden/industry partnership, the Hyper-X program fulfilled a key Agency goal of providing next-generation design tools and experimental aircraft to increase design confidence and cut the design cycle time for aircraft. Specifically, Dryden planned to: Fly three unpiloted X-43A vehicles.
A small rocket system would provide the final push into orbit, but the attractiveness of the concept was using the atmosphere to provide most of the fuel needed to get into space. NASP eventually matured into the X-30 research vehicle, illustrated below, which used an integrated scramjet propulsion system. X-30 hypersonic scramjet SSTO concept The X-30 was intended to replace the Space Shuttle but was cancelled in the early 1990s due to escalating costs and lack of military support. X-43 Hyper-X: NASA?s Hyper-X project, now known as the X-43 illustrated below, will be the first vehicle using an air-breathing engine ever flight tested at hypersonic speeds. X-43 Hyper-X scramjet test aircraft Looking much like a scaled-down X-30, the Hyper-X is a small, unpiloted vehicle.
UAS unpiloted air systems conference, Twickenham Stadium, London, Unmanned aerial vehicles, Autonomous flying machines as drones for civilian and military operations.
Ryan Firebee was a series of target drones/unpiloted aerial vehicles.