Congress Alerted to $1B US-UK AUKUS Nuclear Sub Tech Sale
Published Date: 5/7/2026
Notice
Summary
The U.S. is notifying a $1 billion arms sale to the United Kingdom, mainly for tech and support related to next-gen nuclear submarines developed with Australia and the UK under the AUKUS partnership. This sale includes software, design help, and admin support, pushing the deal above the usual $50 million notification limit. The update means Congress gets the full scoop on this big, high-tech defense collaboration.
Analyzed Economic Effects
3 provisions identified: 3 benefits, 0 costs, 0 mixed.
$1B UK Submarine Tech Sale
The Department of Defense notified Congress of a $1 billion foreign military sale to the United Kingdom for submarine combat and weapons systems support, including software, source code, technical publications, engineering services, facility support, and training. Principal contractors named include Huntington Ingalls Industries; General Dynamics Electric Boat; General Dynamics Mission Systems; Progeny Systems; Lockheed Martin; and Systems Planning and Analysis.
TOP SECRET/SCI Tech, Tomahawk Info Shared
The sale authorizes release of highly sensitive technology, including Tomahawk missile design information and TOP SECRET/SENSITIVE COMPARTMENTED INFORMATION (TOP SECRET/SCI) level technical data, software, and source code to the United Kingdom to support integration into the SSN-AUKUS submarine design.
300 U.S. Staff Assigned To UK For 5 Years
Implementation will require about 300 additional U.S. Government and contractor representatives to be assigned to the United Kingdom for approximately five (5) years to provide in-person training, equipment familiarization, and on-site engineering and maintenance support.
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