From David Pogue's Twitter: > This submersible does not have any kind of beacon like that. On my expedition last summer, they did indeed get lost for about 5 h

From David Pogue's Twitter: > This submersible does not have any kind of beacon like that. On my expedition last summer, they did indeed get lost for about 5 hours, and adding such a beacon was discussed… > To be clear, I was not on the sub that day—I was on the ship at the surface, in the control room. They could still send short texts to the sub, but did not know where it was. It was quiet and very tense, and they shut off the ship’s internet to prevent us from tweeting. https://twitter.com/Pogue/status/1670826522138091521 https://twitter.com/Pogue/status/1670826522138091521 https://twitter.com/Pogue/status/1670835763536183297 https://twitter.com/Pogue/status/1670835763536183297