The Paravulcoon was one of a multitude of proposed systems to permit recovery of Saturn boosters for reuse, and among the more delightfully eccentric. The scheme seems simple enough - the envelope emerges as a drogue chute, is rammed full of air, and then propane burners heat the air. After this, a controlled descent occurs. If you're especially bold, one can even use helicopters to tow the balloon to a favorable landing zone.

Scale testing of the system was done by the firm Raven, and proposals for use with the Saturn 1 and Saturn V were floated, but in the end nothing came of the project.

Sources:

https://stratospherique.cloud/envelope/1963%20Oberg%20Paravulcoon%20Recovery%20And%20Landing%20System.pdf https://ntrs.nasa.gov/api/citations/19660027976/downloads/19660027976.pdf https://seattleballooning.com/space-and-balloons/

Our company has been testing in the Great Lakes regions but was told to suspend our operation last week so now I am out of a job.

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I think you replied to the wrong post/comment

No I didn’t. We were testing these balloon in the great lakes region

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