Purpose of the flight and payload description

In this flight was observed the atmosphere of Venus.

Details of the balloon flight

Balloon launched on: 2/21/1964
Launch site: Holloman Air Force Base, Alamogordo, New Mexico, US  
Balloon launched by: Air Force Cambridge Research Laboratories (AFCRL)
Balloon manufacturer/size/composition: Zero Pressure Balloon Schjeldhal - 3.200.000 cuft (0.75 mil. GT-12 Dacron and Mylar scrim)
Balloon flight duration (F: time at float only, otherwise total flight time in d:days / h:hours or m:minutes - ): 6 h 30 m
Payload weight: 2000 lbs

External references

Images of the mission

Detail of the instruments located inside the gondola. View of the gondola before launching

After running StratoCat in an "advertising free" basis for 16 years, I've joined "Ko-Fi" to get funding for the research I do. If you find this website interesting or useful, you can help me to keep it up and running.