main propulsion system
21Jet Propulsion Laboratory — JPL redirects here. For other uses, see JPL (disambiguation). Jet Propulsion Laboratory …
22Nuclear propulsion — includes a wide variety of propulsion methods that fulfil the promise of the Atomic Age by using some form of nuclear reaction as their primary power source. Contents 1 Surface ships and submarines 2 Cars 3 Aircraft …
23National Launch System — Proposed NLS family of launch vehicles. The National Launch System (or New Launch System) was a study authorized in 1991 by President George H. W. Bush to outline alternatives to the Space Shuttle for access to Earth Orbit.[ …
24Solar System — This article is about the Sun and its planetary system. For other systems, see planetary system and star system. For a list of physical and orbital statistics for the Solar System s largest bodies, see List of gravitationally rounded objects of… …
25Nuclear marine propulsion — is propulsion of a ship by a nuclear reactor. Naval nuclear propulsion is propulsion that specifically refers to naval warships (see Nuclear navy). Only a very few experimental civil nuclear ships have been built; the elimination of fossil fuel… …
26Reusable launch system — A reusable launch system (or reusable launch vehicle, RLV) is a launch system which is capable of launching a launch vehicle into space more than once. This contrasts with expendable launch systems, where each launch vehicle is launched once and… …
27Geographic information system — GIS redirects here. For other uses, see GIS (disambiguation). A geographic information system, geographical information science, or geospatial information studies is a system designed to capture, store, manipulate, analyze, manage, and present… …
28Max Launch Abort System — Fabrication and launch of the Max Launch Abort System test vehicle July 8, 2009. Components of the MLAS test vehicle …
29Prospective Piloted Transport System — PPTS Description Role: Low earth orbit transportation, possibly to the Moon, or Mars Crew: 6[1] …
30Alternative propulsion — is a term used frequently for powertrain concepts differing from the internal combustion engine concept used in only petroleum fueled vehicles.DefinitionThe term alternative propulsion or alternate methods of propulsion includes both *… …
