JS Tatsuta (; Hull Number: FFM-11) is a frigate of the Japan Maritime Self-Defense Force and the eleventh ship of the Mogami-class. She was named after the Tatsuta River, a tributary of the Yamato River that flows near Ikoma in the Nara Prefecture. Tatsuta is the third ship to bear the name, after the Imperial Japanese Navy unprotected cruiser Tatsuta, and the Tenryu-class cruiser Tatsuta.
Construction and career As part of the Mid-Term Defense Program, Tatsuta was ordered from Mitsubishi Heavy Industries (MHI) in the fiscal year 2023, with her keel being laid down at MHI's Nagasaki Shipyard on 3 July 2024. The ship was christened and launched on 2 July 2025, and after a period of being fitted out and undergoing sea trials, she is scheduled to be commissioned in December 2026.
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