First Sea Trial of French Nuclear Submarine, "Duguay-Trouin"

  • Defensemirror.com Bureau
  • 06:22 AM, March 29, 2023
  • 721
First Sea Trial of French Nuclear Submarine,
Duguat-Trouin Barracuda submarine @French Navy

The second Barracuda-class nuclear attack submarine Duguay-Trouin being built for the French Navy started sea trials on March 27, 2023.

The submarine will now go through different trials to test its performances before its delivery, scheduled later this year.

The Duguay-Trouin is the second submarine of the Barracuda program, led by the French defense procurement agency (DGA) in partnership with the French Atomic Energy and Alternative Energy Commission (CEA) for the nuclear boilers part. This program intends to replace the Ruby-class SSNs currently in service within the French Navy. Naval Group is in charge of the production of these submarines, from their design to their construction, as well as the manufacture of the main components of the nuclear boilers which are developed and produced with TechnicAtome. Naval Group is also in charge of providing logistical support and maintaining the submarines in Toulon.

This series of sea trials follows the divergence of the nuclear reactor which took place in September 2020 and the dock tests carried out since the launch of the submarine in 2021. The operations successively took place in the assembly hall as well as in the dry and water-filled docks to test equipment and systems. These trials were conducted by joint teams from Naval Group, TechnicAtome and French authorities.

First Sea Trial of French Nuclear Submarine,
Duguat-Trouin Barracuda submarine @French Navy

The Barracuda series is well underway: the remaining four submarines in the program (Tourville, de Grasse, Rubis and Casabianca) are all currently under construction, at different stages of completion, and their deliveries will be staggered until 2030. With a lifespan of more than 30 years, the Barracuda program commits submarine forces until at least 2060.

The Barracuda-class submarines will also provide the French Navy with a deep strike capability thanks to MBDA's naval cruise missiles (NCM). They are also equipped with the F21 heavyweight torpedo produced by Naval Group and the SM39 anti-ship missile from MBDA. These SSNs also allow the discreet deployment of Special Forces underwater, in particular thanks to its "divers hatch" and the optional carrying of a dry deck shelter allowing for the deployment of underwater vehicles.

First Sea Trial of French Nuclear Submarine,
Specifications of Barracuda submarine @Naval Group
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