Purpose of the flight and payload description

 

Details of the balloon flight

Balloon launched on: 9/23/1971
Launch site: Joe Foss field, Sioux Falls, South Dakota, US  
Balloon launched by: Raven Industries Inc.
Balloon manufacturer/size/composition: Zero Pressure Balloon  
End of flight (L for landing time, W for last contact, otherwise termination time): ??/??/1971

External references

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