main propulsion test article
21Orion (Constellation program) — For deep space spacecraft based on the Orion design, see Multi Purpose Crew Vehicle. For initial design of the Orion Crew Exploration Vehicle, see Crew Exploration Vehicle. For the nuclear powered spacecraft designed in the 1950s, see Project… …
22Simulation — Simulator redirects here. For other uses, see Simulator (disambiguation). For other uses, see Simulation (disambiguation). Not to be confused with Stimulation. Wooden mechanical horse simulator during WWI. Simulation is the imitation of some real …
23Gas turbine — Microturbine redirects here. For turbines in electricity, see Small wind turbine. For turbines driven by the flow of gas, see Turbine. A typical axial flow gas turbine turbojet, the J85, sectioned for display. Flow is left to right, multistage… …
24Orion (spacecraft) — Infobox Spacecraft Name = Orion Caption = Orion logo designed by Michael Okuda Organization = NASA Major Contractors = Lockheed Martin Bus = Mission Type = Crew Exploration Vehicle Flyby Of = Satellite Of = Earth, Moon, Asteroid, Mars (possibly)… …
25Buran program — This article is about the Buran space program in general. For specific information about the spacecraft, see Buran (spacecraft). For other uses, see Buran (disambiguation). Buran, 1989. The Buran (Russian: Буран, IPA:  …
26Constellation program — logo Constellation Program (abbreviated CxP) is a human spaceflight program within NASA, the space agency of the United States. The stated goals of the program were to gain significant experience in operating away from Earth s environment,… …
27Space Shuttle orbiter — The Discovery orbiter approaches the ISS on STS 121 Operator NASA Mission type Orbiter …
28Indian Space Research Organisation — Infobox Space agency name = Indian Space Research Organisation acronym = ISRO caption = ISRO logo headquarters = Antariksh Bhavan, New BEL Road, BANGALORE, INDIA spaceport = TERLS, SRLS, BRLS established = 15th August, 1969 chairman = G. Madhavan …
29November class submarine — Class overview Name: project 627 / 627A / 645 Builders: shipyard No. 402 in …
30List of United States Navy ratings — From left to right: a Special Warfare Operator 1st Class and a Boatswain s Mate 2nd Class. United States Navy ratings are general occupations that consist of specific skills and abilities. Each naval rating has its own specialty badge, which is… …
