Did the US Navy deliberately sink an unarmed ship and ignore survivors?

Even the Nazi U-boats picked up survivors from ships they sank (and broadcast the location) until the US attacked them while doing so.

The Iris Dena seen in the Bay of Bengal during the International Fleet Review 2026
The Iris Dena seen in the Bay of Bengal during the International Fleet Review 2026

"After surfacing and picking up survivors, who were accommodated on the foredeck, U-156 headed on the surface under Red Cross banners to rendezvous with Vichy French ships and transfer the survivors. En route, the U-boat was spotted by a B-24 Liberator bomber of the United States Army Air Forces. The aircrew, having reported the U-boat's location, declared intentions, and the presence of survivors, were then ordered to attack the sub." https://en.wikipedia.org/wiki/Laconia_incident

No anonymous opinions, say it, own it.

(By the way, the answer is yes, killing about 100 people.)

Updates
4 mo
"The exercise in question required ships not to carry any ammunition. Normally, the Dena carries various missiles and guns, including anti-ship missiles. Because the U. S. also took part, it would have been aware that the Dena was unarmed. Former Indian Foreign Minister Kanwal Sibal accused the attack of being “premeditated as the US was aware of the Iranian ship’s presence in the exercise.” " newrepublic.com/.../us-attack-iran-naval-ship
Did the US Navy deliberately sink an unarmed ship and ignore survivors?
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