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The Unified S-band (USB) system is a tracking and communication system developed for the Apollo program by NASA and the Jet Propulsion Laboratory (JPL). It operated in the S band portion of the microwave spectrum, unifying voice communications, television , telemetry , command , tracking and ranging into a single system to save size and weight ...
The Apollo Guidance Computer software influenced the design of Skylab, Space Shuttle and early fly-by-wire fighter aircraft systems. [28] [29] The Apollo Guidance computer has been called "The fourth astronaut" for its role in helping the three astronauts who relied on it: Neil Armstrong, Buzz Aldrin and Michael Collins. [30]
Apollo also invented the revision control system DSEE (Domain Software Engineering Environment) [8] which inspired IBM IBM DevOps Code ClearCase. [9] DSEE was pronounced "dizzy". Apollo machines used a proprietary operating system, Aegis, because of the excessive cost of single-CPU Unix licenses at the time of system definition.
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His 2001 book Moon Lander: How We Developed the Apollo Lunar Module documents the process of designing, building and flying the Lunar Module. Tom Kelly and Owen Maynard (center) in the Spacecraft Analysis Room (SPAN) during the flight of Apollo 11 . Kelly was portrayed by Matt Craven in the 1998 miniseries From the Earth to the Moon.
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The Apollo 12 empty S-IVB, Instrument Unit, and spacecraft adapter base, had a mass of about 14 tonnes; 15 short tons (30,000 lb). [6] This is less than one-fifth of the 77.1-tonne; 85.0-short-ton (169,900 lb) mass of the Skylab space station , which was constructed from a similar S-IVB and fell out of orbit on 11 July 1979. [ 7 ]
Apollo Command Module primary guidance system components Apollo Lunar Module primary guidance system components Apollo Inertial Measurement Unit. The Apollo primary guidance, navigation, and control system (PGNCS, pronounced pings) was a self-contained inertial guidance system that allowed Apollo spacecraft to carry out their missions when communications with Earth were interrupted, either as ...