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<p class=”text-body text-muted small”>The S-BR, 71.6 m long and displacing 1,870 tonnes, can carry 35 crew and has six 533 mm launch tubes firing either Naval Group F21 heavy weight torpedoes or MBDA Exocet SM39 Block 2 Mod 2 missiles. (Marinha do Brasil)</p>
<p>
The Brazilian Navy’s Submarine Development Program (Programa de Desenvolvimento de Submarinos: PROSUB) is to reach a new milestone on 12 January with the Submarines Force Command commissioning the second Riachuelo-class conventional attack submarine (SSK), S
<em> Humaitá </em>
(S41), at the Itaguaí Naval Complex (CNI), the navy told
<em>Janes</em>
.
</p>
<p>
New facilities for the Submarines Force Command at the Madeira Island Submarines Base (BSIM) will also be inaugurated on 12 January, the navy told
<em>Janes</em>
.
</p>
<p>
S
<em> Humaitá</em>
was launched on 11 December 2020 at CNI in the State of Rio de Janeiro and joins first-of-class S
<em>Riachuelo</em>
(S40), which was commissioned in September 2022.
</p>
<p>
Another two submarines,
<em></em>
S
<em>Tonelero </em>
(S42) and S
<em>Angostura </em>
(S43) are under construction at CNI by Itaguaí Construções Navais (ICN) for delivery in 2025 and 2026, respectively, the navy told
<em>Janes</em>
.
</p>