How do you trigger these kinds of things? I don't think radio works at depth. So...

jacknews on Feb 20, 2023 | parent | context | favorite | on: Was the Nord Stream 2 Rupture an Accidental Cataly...

How do you trigger these kinds of things? I don't think radio works at depth. So you need to actually get close enough for a sonar ping or whatever? Hmmm, 80km in 17hrs...