U.S. Navy Demonstrates AN/BYG-1 Submarine Combat System to UK Partners Under AUKUS Framework

U.S. Navy demonstrates AN/BYG-1 submarine combat system to UK partners under AUKUS framework

UK representatives from the Royal Navy, government, and industry observed the demonstration at Naval Submarine Base New London in Groton, Connecticut, in November 2025. The event featured U.S. Navy sailors from the Los Angeles-class fast-attack submarine USS Hartford operating the system using a shore-based Submarine Multi-Mission Team Trainer. The demonstration supports plans to integrate AN/BYG-1 into the future SSN-AUKUS submarines, which wil…

U.S. Demonstrates Advanced Submarine Combat Control System Technology for UK Counterparts

By AUKUS Integration & Acquisition, Feb. 4, 2026  GROTON, Connecticut – As part of the AUKUS trilateral security partnership, the U.S. Navy recently demonstrated its advanced AN/BYG-1 submarine combat control system to sailors and industry members from the United Kingdom (UK). The AN/BYG-1 developed under a joint U.S. / Australian program office and is used aboard both nations’ submarines.  Representatives from the UK, including the Royal Navy, …