As a result of the agreement, the two countries’ arsenals are to be

France and the US have signed in accord to share sensitive information on nuclear weapons. US and French officials say the agreement is aimed at maintaining the reliability and safety of the two countries’ nuclear stockpiles. As part of the accord, the US will share with France its computer data on simulated nuclear explosions. Until now, the US data was shared only with Britain Officials say the agreement will help the two countries maintain their arsenals after they sign a global treaty expected later this year that bans all nuclear testing.