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A comment on The cave divers who went back for their friends. Parent comment

Re:The cave divers who went back for their friends by imglorp on Monday May 09, 2016 @08:46AM (#11659365)
There are wire guided torpedoes and missiles that carry a spool with them and pay it out as they travel. Presumably this is a good thing because it can't be intercepted and jammed. Anyway, that missile carries 4200m of wire, which would be plenty for an ROV to explore most of the cave in the article before sending people, who could follow its wire.

https://en.wikipedia.org/wiki/BGM-71_TOW

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Re:The cave divers who went back for their friends by cturner on Monday May 09, 2016 @09:28AM (#11659643)
You can't touch the sides in cave diving. It generates silt which destroys visibility.
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Re:The cave divers who went back for their friends by imglorp on Monday May 09, 2016 @09:48AM (#11659787)
Yup that's fine. If the ROV kicks up any silt, shut it down and go for lunch. Nobody's air is running out so you have extra time.
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