Not that this is the only reason, has this any connection with Turkey's purchase of advanced missiles from the US?
US 'shelves Europe missile plan'
US 'shelves Europe missile plan'
17 Sept [BBC] The US is to abandon its plan to develop a missile defence system in Poland and the Czech Republic, the Czech prime minister has announced.
Earlier reports from the US said it would be dropped because Iran's long-range missile plans were less advanced than predicted.
Czech Prime Minister Jan Fischer said US President Barack Obama had notified him of the change of plan.
The plan had antagonised Russia, which saw it as a direct threat.
President Obama earlier this year ordered a review of the defence system, introduced by his predecessor George W Bush. ....
Earlier reports from the US said it would be dropped because Iran's long-range missile plans were less advanced than predicted.
Czech Prime Minister Jan Fischer said US President Barack Obama had notified him of the change of plan.
The plan had antagonised Russia, which saw it as a direct threat.
President Obama earlier this year ordered a review of the defence system, introduced by his predecessor George W Bush. ....
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