air breathing propulsion system
11Submarine — For other uses, see Submarine (disambiguation). A Japan Maritime Self Defense Force Oyashio class submarine in 2006 A submarine is a watercraft capable of independent operation below the surface of the water. It differs from a submersible, which… …
12NASA Advanced Space Transportation Program — The Advanced Space Transportation Program (ASTP) is a NASA program which is developing future space transportation systems. The ASTP s work, or purpose, is to intentionally advance current technologies, and innovate novel technologies, through… …
13Valveless pulse jet — A Valveless pulse jet (or pulsejet) is one of the simplest jet propulsion devices ever designed, and is the simplest form of jet engine that does not require forward motion to run continuously. Valveless pulsejets are low in cost, light weight,… …
14Upholder/Victoria class submarine — The Upholder / Victoria class submarines, also known as the Type 2400 (due to their displacement of 2,400t), are diesel electric Fleet submarines designed in the UK in the late 1970s to supplement the Royal Navy s nuclear submarine force. In 1998 …
15American Institute of Aeronautics and Astronautics — Type Professional Organization Founded January 31, 1963 Origins Merger of the American Rocket Society and the Institute of Aerospace Sciences …
16Aerobot — An aerobot is an aerial robot, usually used in the context of an unmanned space probeWhile work has been done since the 1960s on robot rovers to explore the Moon and other worlds in the Solar system, such machines have limitations. They tend to… …
17University of Alabama in Huntsville — Infobox University name = The University of Alabama in Huntsville established = 1969 type = Public University president = Dr. David Williams faculty = 445 students = 7,100 undergrad = 5,500 postgrad = 1,600 city = Huntsville state = Alabama… …
18airplane — /air playn /, n. 1. a heavier than air aircraft kept aloft by the upward thrust exerted by the passing air on its fixed wings and driven by propellers, jet propulsion, etc. 2. any similar heavier than air aircraft, as a glider or helicopter. Also …
19Spaceplane — A Space Shuttle rocketing into space, just after booster separation. A spaceplane is a vehicle that operates as an aircraft in Earth s atmosphere, as well as a spacecraft when it is in space. It combines features of an aircraft and a spacecraft,… …
20Scramjet programs — This page describes a number of research and testing programs for the development of supersonic combustion ramjets (scramjets) Many of these programs have their own pages, but an attempt is made here to provide a short overview of a large number… …
