The following is the Congressional Research Service Dec. 22, 2021, In Focus report, Navy TAGOS(X) Ocean Surveillance Shipbuilding Program: Background and Issues for Congress. From the report The Navy wants to procure in FY2022 the first of a planned new class of seven TAGOS(X) ocean surveillance ships. The Navy’s proposed FY2022 budget requests $434.4 million […]
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The following is the Congressional Research Service May 27, 2021 In Focus report, Navy TAGOS(X) Ocean Surveillance Shipbuilding Program: Background and Issues for Congress. From the report The Navy wants to procure in FY2022 the first of a planned new class of seven TAGOS(X) ocean surveillance ships. The Navy estimates that TAGOS(X) ships will cost […]
ELECTRONIC WEAPONS: Cold War Magic Revisited April 27, 2021: In early 202o Japan put a third Hibiki-class of Ocean Surveillance Ship into service. The first two entered service in 1991 and 1992. Why the long delay? It has to do with what these ships were designed for. Hibiki-class ships are catamaran (twin hull) designs that are 67 meters (214 feet) long 30 meter (99 feet wide) and manned by a crew of 40. There is room for a helicopter landing pad. These ships can remain at sea for 90 days at a time. They have a top speed of 20 kilometers an hour and can cover 7,000 kilometers per trip. Hibikis’ are equipped with an American made SURTASS (Surveillance Towed Array Sensor System) that is designed to detect submarines in shallow or deep water. The twin-hull design provides a very wide ship and stability when slowly moving through rough seas towing the SURTASS apparatus.
The Aki, the third and newest ocean surveillance ship of the Maritime Self-Defense Force, is commissioned in Tamano, Okayama Prefecture, on March 4. (Provided by the Maritime Staff Office)
For the first time in nearly 30 years, Japan s Maritime Self-Defense Force has added a new ocean surveillance ship, which will monitor the seas for intrusions of Chinese submarines.
The MSDF commissioned the Aki, the third such vessel in its fleet, on March 4 and deployed it to its Kure base in Hiroshima Prefecture. A ceremony to mark the commissioning was held at a shipyard in Tamano, Okayama Prefecture, that day.
Japan aims to increase its vigilance as China continues its military expansion and its submarines pass close to Japanese territorial waters.