US EditionBrazil’s Submarine Leap: From French Diesels To A Home-Grown Nuclear Boat
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5 Articles
Brazil’s Submarine Leap: From French Diesels To A Home-Grown Nuclear Boat
At a shipyard west of Rio de Janeiro, Brazil is finishing one chapter of its submarine gamble and opening a more ambitious one. The navy has taken delivery of three diesel-electric submarines – Riachuelo, Humaitá and Tonelero – and launched the fourth, Almirante Karam, under a technology-transfer pact with France. All four belong to the […]
Brazil Achieves Major PROSUB Milestones with Delivery of Third Scorpène Submarine and Launch of Fourth
Brazil has marked two significant milestones in its Submarine Development Program (PROSUB) with the delivery of the third Scorpène®-class submarine, Tonelero, and the launch of the fourth unit, Almirante Karam, at the Itaguaí naval base on 26 November 2025. The Tonelero (S42) has now officially joined the Brazilian Navy, while Almirante Karam (S43) has begun its journey toward sea trials. Both submarines were built in Brazil at Itaguaí Construçõ…
Delivery of the third and launching of the fourth Brazilian Scorpène® submarines
The first submarine of the Submarine Development Program (PROSUB), Riachuelo (S40), was commissioned by the Brazilian Navy in September 2022. The second, Humaitá (S41), followed in January 2024. As part of a comprehensive Technology Transfer (ToT) agreement, Naval Group is supporting the construction of four Scorpène®-class submarines at the Itaguaí Construções Navais (ICN) shipyard and naval base. “We are honored to contribute to strengthening …
Brazil a Submarine to Its Fleet and Plans to Manufacture One of Nuclear Propulsion - Diario Panorama
The neighbouring country reinforces its military power. Luiz Inácio Lula da Silva’s government presented Admiral Karam, supplemented with French technological assistance.
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