Hanwha Ocean secures USD 845 million contract for advanced attack submarine

By Defence Industry Europe

Hanwha Ocean has secured a contract worth USD 845 million with the Defence Acquisition Program Administration (DAPA) of South Korea. This agreement paves the way for the construction of a state-of-the-art 3,600-ton attack submarine for the Republic of Korea Navy.

 

This contract marks Hanwha Ocean’s entry into submarine construction, with the shipbuilder set to develop the third and final vessel under the Changbogo-III Batch-II program. The company initiated the construction of the first two Changbogo-III class submarines back in 2021, shortly after becoming a part of the Hanwha Group in April of the same year.

 

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The completion of the submarine’s construction is expected by 2029, followed by a comprehensive two-year testing phase. The deployment of this advanced submarine to the Republic of Korea Navy is anticipated by 2031, as stated by DAPA.

The Batch-II submarines represent a significant upgrade in terms of size and capabilities compared to the existing 3,000-ton class vessels like the Dosan Ahn Chang-ho and ROKS Ahn Mu. Notably, these submarines will feature an air-independent propulsion (AIP) system and lithium-ion batteries, which will extend the duration of underwater operations while significantly reducing propulsion noise. This feature positions the Batch-II submarines as a new standard in diesel-electric submarine technology.

 

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Moreover, the submarines are set to be equipped with an advanced combat system that includes the latest sonar technology. This enhancement will boost their detection and targeting capabilities, substantially strengthening the Republic of Korea Navy’s maritime defense capabilities. Hanwha Ocean’s involvement in this high-profile project underscores its growing prominence in the naval defense industry and its commitment to advancing South Korea’s maritime defense technology.

 

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