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Launch Success
Liftoff Time (GMT)
10:05:00
Monday February 18, 1974
Last flight of Scout D1 from San Marco.
The Italian-built San Marco 4 spacecraft was part of a cooperative space effort between the Italian Space Commission (CRS) and NASA. The scientific objective of this flight was to measure the diurnal variations of the equatorial neutral thermosphere density, composition, and temperature for correlation with simultaneous Atmospheric Explorer C data. Studies of the physics and dynamics of the lower thermosphere were included.
Low Earth Orbit
1 Payload
164 kilograms
67th
Mission
1st
Mission of 1974
6th
Mission
1st
Mission of 1974
10th
Orbital launch attempt