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Comment by JumpCrisscross | Hacker News Reader

> GCII Article 18 [2] seems to clearly make this a requirement however

Also not an expert. But my understanding is "all possible measures" and "whenever circumstances permit" have historically been taken to not apply to submarines. Largely because in WWII, we "ordered" a B-24 to attack a German U-boat who had "broadcast her position on open radio channels to all Allied powers nearby, and was joined by several other U-boats in the vicinity" following its "sinking of a British passenger ship" [1].

[1] https://en.wikipedia.org/wiki/Laconia_incident

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I'm not sure why that would say they don't apply just to submarines though? The attack could have been by surface vessels with the same outcome?

War is horrible - I wonder if it hadn't been carrying mostly PoWs and it had become more well known what the repercussions would have been.

What do you think is supposed to happen when a warship is destroyed with a cruise missile? There are people on this thread arguing in a way that makes me think the answer is "you're not allowed to strike warships with cruise missiles". From what I've read, the practical obligation to survivors is met once the attacker is confident that some SAR team somewhere has been notified, which was the case here.

> What do you think is supposed to happen when a warship is destroyed with a cruise missile? There are people on this thread arguing in a way that makes me think the answer is "you're not allowed to strike warships with cruise missiles".

This thread has many tendrils. I'm not sure what this has to do with any of my replies as I've not said, nor implied that.

> From what I've read, the practical obligation to survivors is met once the attacker is confident that some SAR team somewhere has been notified, which was the case here.

Can you point to that in San Remo which you've referenced multiple times - or somewhere if appropriate? I cannot find sections that deal with requiring the rescue, or notification of the need for, of shipwrecked survivors in San Remo - perhaps I am not using the right terms.

What do you think the legalities of sinking a warship with a cruise missile should be? They can be fired from over 1000 miles away, and obviously they can't take on shipwrecked passengers.

> not sure why that would say they don't apply just to submarines though?

Because it isn't "possible" for modern submarines to assist with rescue. They're pathetically unstable on the surface. Vulnerable as hell to even drones. Don't have a deck to speak of where rescues could be held. And have a nuclear reactor inside–you can't take randos through the airlock.

The only "circumstances permit" place where a submarine might be able to help is if it's operating in friendly waters, with air support and naval support close by to ensure no e.g. drones make a run for it while it's on the surface. And even then, it would be a risky operation.

But why would what parties take from what happened with Laconia be limited to the attacking craft being submarines? The exact same situation could have happened with attacking surface ships instead of U-boats. The takeaway seems to be that we can't trust our enemies not to attack us while performing rescues so we don't have to perform them.

San Remo which you referenced in another reply doesn't seem to go into what is required of combatants around rescues but it does say that rescuers can't be attacked [1]. That would make the Laconia argument be that I can't be committing a war crime by not rescuing survivors because I presume that I am at risk of having a war crime being committed against me.

[1] https://ihl-databases.icrc.org/en/ihl-treaties/san-remo-manu... : The following classes of enemy vessels are exempt from attack: ... and vessels engaged in relief actions and rescue operations;

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