Beskrivning : Tracking ok Mars Observer by Goldstone station. Mars Observer was scheduled to perform an orbital insertion maneuver on August 24, 1993. However, contact with the spacecraft was lost on August 21, 1993. Likely reason for spacecraft failure was the leakage of fuel and oxidizer vapors through the improperly designed PTFE check valve to the common pressurization system. Barstow post stamp.

USA 2337 - image retouchée ?

Sida : future · Ref: USA 2337 

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Rymdhändelse :

MARS OBSERVER · CONTACT LOST · FAILURE