If you believe him, Mr Putin's rage reflects his fear that the nuclear balance is being upset by Mr Bush's plan to put a limited missile defence system on Czech and Polish soil.
They recognise that the drive for missile defence on the part of the US means that they need to expand their nuclear capabilities in order to stay in the same place.
他们认识到，美国方面推进导弹防御则意味着他们需要提高他们的核能力，以便能保持在同样的位置上。
3
The weapons are of little military use, but they are still the symbolic link that couples America's nuclear Arsenal to the defence of Europe.