Skip to main content

The prohibition on transfer

One state not party—the United States—engaged in conduct in 2022 that was not compatible with the TPNW’s prohibition on transfer of nuclear weapons, by virtue of its export of key components to the United Kingdom’s nuclear arsenal.

Ban Monitor 2022 7554909
In December 2022, the US Navy released this rare image of the Ohio-class ballistic missile submarine (SSBN) the USS Tennessee (in front) training in the Atlantic Ocean on 22 November 2022 together with an unidentified British Vanguard-class SSBN. The photo also shows a US E-6B Mercury Aircraft, a command-and-control aircraft that can be used to issue nuclear launch orders to SSBNs. Photo: US Navy, Naval Aircrewman (Operator) 1st Class Aaron Abbott/Defense Visual Information Distribution Service