Daewoo Shipbuilding delivers KRI Alugoro submarine to Indonesia.

According to a press release published by Yonhap News Agency on March 17, 2021, Daewoo Shipbuilding & Marine Engineering Co. said it has successfully delivered a Nagapasa class submarine, KRI Alugoro 405 to Indonesia.
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Delivery of Nagapasa class submarine, KRI Alugoro 405 to Indonesia. (Picture source: Instagram)

The 1,400-ton submarine was the third of three submarines that Daewoo Shipbuilding won in a deal worth US$1.1 billion in 2011, the shipbuilder said.

The 61-meter-long submarine, named ALUGORO, was based on Daewoo Shipbuilding's first-built submarine, the Jangbogo, the company said.

The submarine was built in pieces at Okpo shipyard of Daewoo Shipbuilding in Geoje Island, about 400 kilometers south of Seoul, and assembled at PT PAL shipyard in Surabaya, Indonesia, according to the Korean shipbuilder.

The Nagapasa class is an upgraded variant of the Jang Bogo class, also known as Improved Chang Bogo. The vessels were built by the South Korean Daewoo Shipbuilding & Marine Engineering (DMSE) and the Indonesian PT PAL.

The Jang Bogo-class submarines are armed with eight bow 533 mm (21 in) torpedo tubes and fourteen torpedoes. The ships are also armed with Sub-Harpoon missiles and can be armed with 28 mines in place of torpedoes and Harpoon missiles. The class is armed with SUT - Surface and Underwater Target Torpedoes.