Tatsumaki was the Japanese submarine component of the "Yu" plan (Yu-Go) to decimate the US Fast Carrier Task Force in the lagoon of Majuro atoll in the Marshall islands group (May 1944). | Tatsumaki was the Japanese submarine component of the "Yu" plan (Yu-Go) to decimate the US Fast Carrier Task Force in the lagoon of Majuro atoll in the Marshall islands group (May 1944). |