communications failure. The Apollo command module (CM) and lunar module (LM), were each equipped with a version of PGNCS. PGNCS, and specifically its computer...

the event of failure of the Lunar Module's primary guidance system (Apollo PGNCS) during descent, ascent or rendezvous. As an abort system, it did not...

navigation and control (GNC) system. The AGC in the lunar module ran its Apollo PGNCS (primary guidance, navigation and control system), with the acronym pronounced...

Guidance, Navigation and Control System (PGNCS) was developed by the MIT Instrumentation Laboratory; the Apollo Guidance Computer was manufactured by Raytheon...

navigation optics while aligning their inertial reference platforms, the Apollo PGNCS. Stars are rarely seen in Space Shuttle, Mir, Earth observation photos...

Apollo 13 (April 11–17, 1970) was the seventh crewed mission in the Apollo space program and the third meant to land on the Moon. The craft was launched...

inertial system, which later evolved to the Delco produced IMU of the Apollo PGNCS. The Saturn V was equipped with a MSFC-developed ST-124-M3 inertial platform...

including Dr. Wernher von Braun (on left) looking at an LVDC Apollo Guidance Computer Apollo PGNCS primary spacecraft guidance system Gemini Spacecraft On-Board...

where the Apollo Program's Lunar Rover Mobility Sub-system was developed and built, also the Apollo Program's guidance computers (Apollo PGNCS) and the...

Mars Climate Orbiter was not adequately tested before launch Apollo guidance computer – PGNCS trouble, another case where a spacecraft guidance computer...

with respect to the stars. It was used by the Apollo Primary Guidance, Navigation and Control System (PGNCS) as a reference to which the gimbal-mounted...