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U.S., U.K. Launch Joint Bid for Port Defenses Against Underwater Drones

DIU’s new REEF call seeks a modular mix of off-the-shelf sensors, AI, and decoys, with proposals due April 3.

Overview

  • DIU published the Robotic Exclusion and Engagement Framework on March 23 to buy commercial tech that detects, tracks, classifies, and stops UUVs, ROVs, and semisubmersibles.
  • The effort favors nonkinetic options such as nets, bubble curtains, and synthetic barriers, and it places high value on decoys, including low-cost attritable systems.
  • Solutions must form a stand-alone system that is rapidly deployable as fixed or mobile kits, including moored buoys, buried cables, USVs, UUVs, UAVs, and drifting buoys.
  • Requirements include human-in-the-loop decision time, AI discrimination to reduce false alarms, low training needs, and links to current U.S. command-and-control pictures.
  • UK firms can take part under export-control relief tied to a 2024 Commerce rule and General Export Authorization No. 001, as both nations move to close gaps in fragmented, costly defenses.