space shuttle transition
71Kalman filter — Roles of the variables in the Kalman filter. (Larger image here) In statistics, the Kalman filter is a mathematical method named after Rudolf E. Kálmán. Its purpose is to use measurements observed over time, containing noise (random variations)… …
72Strategic Defense Initiative — Organization SDIO Agency overview Formed 1984 Dissolved 1993 (renamed) Superseding a …
73Gas — This article is about the physical properties of gas as a state of matter. For the uses of gases, and other meanings, see Gas (disambiguation). Ga …
74Air Force Research Laboratory — Emblem of AFRL …
75Aircraft — An aircraft is a vehicle which is able to fly through the Earth s atmosphere or through any other atmosphere. Rocket vehicles are not aircraft if they are not supported by the surrounding air. All the human activity which surrounds aircraft is… …
76Noctilucent cloud — Polar mesospheric cloud Noctilucent clouds over Kuresoo bog, Viljandimaa, Estonia Abbreviation NLC/PMC Altitude …
771970s — 70s redirects here. For decades comprising years 70–79 of other centuries, see List of decades …
78Scramjet — Part of a series on Aircraft propulsion Shaft engines (to drive pr …
79Rocket engine — RS 68 being tested at NASA s Stennis Space Center. The nearly transparent exhaust is due to this engine s exhaust being mostly superheated steam (water vapor from its propellants, hydrogen and oxygen) …
80United States Air Force Research Laboratory — Infobox Military Unit unit name= Air Force Research Laboratory caption=Emblem of AFRL dates= October 1997–Present country= United States branch= Air Force type= Research and development size= 4,200 civilian 1,200 military command structure= Air… …
