The controversial deal is designed to counter a more assertive China but many worry it could also weaken nonproliferation norms.
In recent years, the United Kingdom has touted itself as one of the most transparent of the five nuclear-armed states recognized by the nuclear Nonproliferation Treaty (NPT), and its leaders leaned heavily on the fact that it was reducing the size of its nuclear force.
A new defense policy review results in raising warhead ceiling by 44 percent.
UK Finalizes New Safeguards
Statement from the Arms Control Association
Nuclear Powers Discuss Arms Control
A new report details the extent to which 11 key states are fulfilling, promoting, or undermining 10 standards identified as critical elements of the nonproliferation and disarmament regime.
U.S. and UK leaders face domestic hurdles to their efforts to sell Saudi Arabia conventional weapons.
Seven hundred kilograms of highly enriched uranium return to the United States in a multiyear nuclear security project.
The Skripal assassination attempt was “not a rogue operation,” says UK Prime Minister May.