Explorer 56 (DAD-A) was one of two Dual Air Density Explorers intended to measure upper-atmosphere density; the December 1975 launch failed before either spacecraft reached orbit.
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Identity
Aliases
Explorer LVIExplorer 56Dual Air Density Explorer ADAD-A
Name
Explorer 56 (DAD-A)
Status
failed
Details
Astronauts
-
Description
Explorer 56 (DAD-A) was one of two Dual Air Density Explorers intended to measure upper-atmosphere density; the December 1975 launch failed before either spacecraft reached orbit.