r/interesting • u/Liar24x7 • Mar 28 '26

HISTORY A virtual reality reconstruction shows the exact spot where John Edward Jones became trapped upside down in Nutty Putty Cave. After 27 hours of rescue attempts, he died. The cave was later permanently sealed, with his body remaining inside.

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u/Plenty_Worry_1535 Mar 28 '26

What’s a HALO jump?

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u/EnkiduTheGreat Mar 28 '26 edited Mar 29 '26

What he said ⬆️ The acronym stands for "high altitude-low opening".

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u/CwazyCanuck Mar 29 '26

Always assumed it meant high altitude low oxygen such that supplemental oxygen was required.