France rolls out fifth Suffren-class nuclear attack submarine

Naval Group has moved the Rubis (S639), the fifth of six Suffren-class nuclear attack submarines, out of its construction hall in Cherbourg. The 99-meter boat will undergo fitting-out and sea trials, with delivery to the French Navy expected in late 2027.

• Rubis is 99 m long with a displacement of about 5,200 tons
• The submarine left its construction hall on October 16, 2026
• Sea trials are expected to begin in 2027
• The sixth boat, Casabianca (S640), will complete the class by 2030