SP-4212
On Mars: Exploration of the Red Planet. 1958-1978

The development model, top left, of the gas chromatograph-mass spectrometer was the first step toward spacecraft hardware. After a breadboard model, completed in October 1971 to perfect functioning of the instrument, designers worked on weight, size, and modifications to integrate it into the lander. The mockup, top right, is 35 centimers wide. Finally, the flight GCMS is tested and prepared for its long journey through space to investigate Mars.

The development model, top left, of the gas chromatograph-mass spectrometer was the first step toward spacecraft hardware. After a breadboard model, completed in October 1971 to perfect functioning of the instrument, designers worked on weight, size, and modifications to integrate it into the lander. The mockup, top right, is 35 centimers wide. Finally, the flight GCMS is tested and prepared for its long journey through space to investigate Mars.


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