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The first Type 218 SG submarine for the Republic of Singapore has been christened the Invincible at the thyssenkrupp Marine Systems shipyard in Kiel. Once the construction and equipment is complete, the Invincible will undergo extensive testing before being handed over in 2021.

The Invincible is the first in a series of four Type 218SG boats. The contract for the first two submarines was signed in 2013 and the contract for the second lot in 2017. The order volume is estimated at around three billion euros. After handing over the Invincible in 2021, the second submarine is scheduled for delivery in 2022. Boats three and four are to follow from 2024.

Der Typ 218SG ist eine Weiterentwicklung des Typs 212 A, von denen Deutschland acht, Italien sechs und Norwegen zwei Einheiten in Betrieb, bestellt oder geplant haben. Das U-Boot ist ungefähr 70 Meter lang, verdrängt ungefähr 2.000 Tonnen und damit deutlich größer als der Typ 212A. Besonderes Merkmal ist eine außenluftunabhängige Antriebsanlage (Air-Independent Propulsion, oder AIP) bestehend aus einem Elektromotor, einem Dieselgenerator, einem Brennstoffzellengenerator und einer Batterie. Der AIP macht einen ununterbrochenen, getauchten Betrieb des U-Boots über mehrere Wochen möglich.

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The boats are designed with a low signature and feature numerous tailor-made solutions and new technologies. This includes a new command and weapon control system developed by ST Electronics (Singapore) and ATLAS ELEKTRONIK to meet the requirements of the Singapore Navy.

Before the christening of the Republic of Singapore's first Invincible-class submarine, Singapore's Defense Science and Technology Agency and thyssenkrupp Marine Systems signed a Memorandum of Understanding (MoU) in Kiel to cooperate on new technologies such as additive manufacturing and data analysis for marine applications. The partners will collaborate on the design, engineering and upgrading of components made using Additive Manufacturing. These can be tested on Republic of Singapore submarines over the course of the project.

Gerhard Heiming