Homemade Submarine | Flathead Lake Montana Research Expedition | Day 1

In this video I am on a research expedition with Nekton Gamma, at Flathead Lake, Montana, USA.

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Submarine Upgrades: https://bit.ly/2RzC3Am
Single Handed Submarine Launch: https://bit.ly/2G8diWN

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Видео Homemade Submarine | Flathead Lake Montana Research Expedition | Day 1 канала Hank Pronk