Purpose of the flight and payload description

The objective of the flight were to demonstrate deployment of the probe parachute, separation of entry heat shield, parachute separation and descent characteristics of the planned 1978 Pioneer Venus atmospheric probe mission.

Details of the balloon flight

Balloon launched on: 5/19/1977 at 8:38 local
Launch site: Holloman Air Force Base, Alamogordo, New Mexico, US  
Balloon launched by: Air Force Geophysics Laboratory (AFGL)
Balloon manufacturer/size/composition: Zero Pressure Balloon 3.000.000 cuft
End of flight (L for landing time, W for last contact, otherwise termination time): 5/19/1977
Landing site: Over the White Sands Missile Range, New Mexico, US

Postal cover issued on launch day commemorating the flight

External references

Images of the mission

         

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