Business UpdateApr 27, 2026, 10:17 AM
HII wins DIU contract for submarine UUV launch/recovery system
AI Summary
HII secured a contract from the Defense Innovation Unit (DIU) to develop a Torpedo Tube Launch and Recovery (TTLR) system. This system is designed to autonomously deploy and recover HII’s REMUS unmanned underwater vehicles (UUVs) from U.S. Navy submarines, building on HII's 120-year leadership in undersea warfare. The contract follows successful demonstrations in June and July 2025, including the first forward-deployed torpedo tube launch and recovery of a REMUS 600 UUV from the USS Delaware.
Key Highlights
- HII awarded contract by Defense Innovation Unit (DIU) for submarine Torpedo Tube Launch and Recovery (TTLR) system.
- The TTLR system will autonomously deploy and recover HII’s REMUS UUVs from U.S. Navy submarines.
- HII has delivered over 750 REMUS vehicles to more than 30 countries, including 14 NATO members.
- Over 90% of HII's REMUS systems remain in service after more than two decades.
- June 2025: First forward-deployed torpedo tube launch and recovery of REMUS 600 UUV from USS Delaware.
- July 2025: First recovery of REMUS 620 into a Virginia-class submarine torpedo tube test fixture completed.