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The Mantell Incident
Investigate Captain Thomas Mantell’s fatal pursuit, the altitude problem and the competing balloon explanations.
Research foundation: https://www.nicap.org/docs/mantell/mantell2.htm
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View seriesInvestigate Captain Thomas Mantell’s fatal pursuit, the altitude problem and the competing balloon explanations.
Research foundation: https://www.nicap.org/docs/mantell/mantell2.htm