U.S. Notifies Proposed Submarine Systems and Support Sale to United Kingdom

The United States has notified Congress of a proposed arms sale to the Government of the United Kingdom, involving technical assistance, hardware, software, and support services for the design and development of next-generation nuclear-powered attack submarines under the AUKUS trilateral security partnership.

The sale, with an estimated total value of $1 billion, includes engineering support, design integration of U.S. equipment, submarine combat and weapons systems hardware, software, technical documentation, training, and embedded U.S. and UK personnel. The equipment and services are intended to support the Royal Navy's future class of submarines and integration of Tomahawk missiles, as well as related program and logistics support.

According to the official notice, the proposed sale will support U.S. foreign policy and national security objectives by strengthening the security of a NATO ally, enhancing the UK's deterrent capability to protect maritime interests and infrastructure, and contributing to stability and maritime security in northwestern Europe. The sale is also stated to support the strategic objectives of NATO and the United States.