Friday, October 24, 2025

U.S. Navy Launches Search for AI Combat Assistants on Submarines

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The Future of U.S. Navy Submarine Combat Systems

Introduction to AN/BYG-1 Combat System

The U.S. Navy’s AN/BYG-1 combat system serves as the backbone of undersea warfare, enabling tactical operations across all in-service American submarines as well as those of the Royal Australian Navy. Recently, a Request for Information (RFI) has been issued to outline essential updates aimed at enhancing the capabilities of this crucial system to meet future challenges.

Key Capability Updates

The RFI highlights three core areas of enhancement:

  1. Tactical Control Re-Architecture and Integration Plan
  2. Payload Re-Architecture and Integration Plan
  3. New AI and Machine Learning Tactical Decision Aid Development

These updates are designed to support a more modern approach to submarine warfare, integrating new technologies that facilitate faster and more efficient decision-making during operations.

PMS 425 and the Integration Framework

The notice was released by the Program Executive Office for Undersea Warfare Systems (PEO UWS) Submarine Combat and Weapons Control Program Office (PMS 425). The outlined requirements aim to establish a new delivery framework for the AN/BYG-1 system. The objective is clear: streamline the way submarine warfare systems and weapons are integrated, thereby improving operational effectiveness.

Contractor Engagement

PMS 425 is on the lookout for potential contractors capable of fulfilling the extensive requirements for the development, testing, and integration of both current and future AN/BYG-1 applications. The envisioning of this updated framework opens the door for contractors to propose innovative solutions and capabilities that align with the Navy’s mission.

Collaboration with Allied Forces

The capabilities delivered by the selected contractor are not just for the U.S. Navy; they will also be shared with the Royal Australian Navy. Moreover, there is the possibility of collaboration with the Australia/UK/US (AUKUS) Joint Program Office for submarine projects, emphasizing the importance of multinational defense partnerships in modern naval warfare.

Comprehensive Modifications Listed in the RFI

The RFI specifies numerous requirements aimed at enhancing the AN/BYG-1 combat system, including:

  • Containerization of AN/BYG-1 Capabilities: Enabling flexible deployment options.
  • Integration of New Strike Components: Keeping pace with evolving combat needs.
  • AI/ML Tactical Decision Aids: Utilizing advanced technologies for improved situational awareness and decision-making.
  • Incremental Updates: New software builds every thirteen weeks, ensuring the system remains state-of-the-art.

These modifications point to a future where integration and rapid response are prioritized, vital in an ever-evolving technological landscape.

Contract Timeline and Expectations

A potential contract award for these enhancements is anticipated by July 2027, with the project structured to allow one base year and four additional option years. The Navy is expecting to receive a fully tested and certified hardware and software suite, ready for immediate operational deployment.

Enhanced Offensive and Defensive Capabilities

The update to the AN/BYG-1 system also involves the integration of the Mk 58 Compact Rapid Attack Weapon (CRAW) torpedoes. These torpedoes have been developed to significantly increase the number of deployable torpedoes in each launch tube. Initiatives like Project Revolver have demonstrated the importance of innovation in munitions packaging and delivery, allowing submarines to operate more efficiently in contested environments.

Future Integration Prospects

As the Navy evolves its combat capabilities, the future AN/BYG-1 system will be pivotal in managing both offensive and defensive operations. With ongoing work to integrate unmanned underwater vehicles (UUVs) and other cutting-edge technologies, the combat system is set to embrace a multi-faceted operational approach.

The Broader Tactical Framework

The new framework being developed will encompass a range of applications focusing on multiple operational aspects, including the processing of sensor information, integrating off-hull data into tactical assessments, and managing weapon employment for mission planning and execution. This holistic approach aims to enhance the overall effectiveness of undersea operations.


This structured overview of the U.S. Navy’s plans for the AN/BYG-1 combat system encapsulates the evolving landscape of naval warfare, emphasizing advancements in technology, collaborative efforts, and the continuous pursuit of operational excellence.

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