There is no data available on the purpose of the flight or the experiments performed. Below there is a link to the only known reference.
Balloon launched on: 9/11/1972
Launch site: Cape Girardeau Municipal Airport, Missouri, US
Balloon launched by: Raven Industries Inc.
Balloon manufacturer/size/composition: Zero Pressure Balloon Winzen 11.640.000 cuft Natural Shape (0.7 mils.) Cap. (0.9 Mils) Stratofilm
Balloon serial number: SN:5
Flight identification number: Raven Nº 1336
End of flight (L for landing time, W for last contact, otherwise termination time): 9/11/1972
Balloon flight duration (F: time at float only, otherwise total flight time in d:days / h:hours or m:minutes - ): 17 h 45 m
Landing site: In a cornfield near Newkirk, Oklahoma, US
Campaign: SKYHOOK 72
Payload weight: 913 lbs.
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