| Second flight of in-house constructed polyethylene envelope. Recovered from near Tracy, CA on August 31, 2019.
| Second flight of in-house constructed polyethylene envelope. Recovered from near Tracy, CA on August 31, 2019.
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|-
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|6
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! [[SSI-92]]
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| October 5, 2019
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| Hollister
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| 9 hours, 28 minutes
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| First polyethylene tubing envelope. First SSI ZPB flight with full telemetry. First interstate Cycloon flight --- recovery from near Alamo, NV pending.