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The Iranian frigate is torpedoed and sunk by U.S.

2026 Iran war — The Iranian frigate is torpedoed and sunk by U.S. Navy submarine USS Charlotte in waters off Sri Lanka, killing at least 87 of the 180 people on board, while 32 others are rescued

Published March 4, 2026· Updated October 28, 2026·1 min read

Context: 2026 Iran war.

The Iranian frigate is torpedoed and sunk by U.S. Navy submarine USS Charlotte in waters off Sri Lanka, killing at least 87 of the 180 people on board, while 32 others are rescued by the Sri Lanka Navy with 61 remaining missing. [https://www.reuters.com/world/asia-pacific/least-101-people-missing-after-submarine-attack-iranian-ship-off-sri-lanka-2026-03-04/ (Reuters)]

Event summary via Wikipedia Current Events (2026-03-04).