United Kingdom AUKUS arms sales

Current understanding

The United States has notified Congress of Foreign Military Sales to the United Kingdom in support of the AUKUS trilateral partnership, particularly for next-generation nuclear-powered attack submarine (SSN-AUKUS) development. Instruments include non-MDE technical assistance, design integration, and submarine combat/weapons systems support. Status: at least one $1 billion FMS notification pending congressional review.

Evidence log

• 2026-05-07 — Arms Sales Notification — Government of the United Kingdom ($1 billion): None: cross-connection with australia-arms: Both pages track FMS activity supporting the AUKUS submarine program; UK design/integration and combat-system support feeds the same SSN-AUKUS line that Australia will operate. (novelty: 4)

Open questions

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