Apollo PGNCS
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The Apollo primary guidance, navigation, and control system was a self-contained inertial guidance system that allowed Apollo spacecraft to carry out their missions when communications with Earth were
Apollo IMU
CM space sextant
Cross section of AOT's outer end with rotatable prism, before addition of sun shade
Reticle used in the AOT to allow star position measurement
Apollo Guidance Computer
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The Apollo Guidance Computer is a digital computer produced for the Apollo program that was installed on board each Apollo command module and Apollo Lunar Module. The AGC provided computation and elec
Apollo PGNCS
…an inertial measurement unit (IMU) the Apollo Guidance Computer (AGC) resolvers to convert inertial platform angles to signals usable for servo control…
Apollo Guidance Computer and DSKY
The display and keyboard (DSKY) interface of the Apollo Guidance Computer mounted on the control panel of the command module, with the flight director attitude indicator (FDAI) above
Partial list of numeric codes for verbs and nouns in the Apollo Guidance Computer, printed for quick reference on a side panel
Photograph of the dual NOR gate chip used to build the Block II Apollo Guidance Computer. Connections (clockwise from top center) ground, inputs (3), output, power, output, inputs (3).