"These are contacts that have taken place in Kabul," the NATO official said.

北约官员说，“双方在喀布尔进行了这些接触。”

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A NATO official indicated that this project could at some point connect with the NCOIC project.

一名北约官员表示，这个项目可能在某个时候与该NCOIC项目连接。

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There was no official comment from the NATO command.

NATO指挥部没有任何官方评论。

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David Kramer,former senior State Department official in the Bush administration, says both countries have to overcome numerous obstacles before becoming NATO members.

VOA: standard.2009.09.04

"The Americans are concerned about the core strategy being approved by everyone involved, " said the Nato official.

BBC: US military coalition gathers strength

While the United States stands firm on limiting this round of expansion to Hungary, Poland and the Czech Republic, the NATO official said a final decision will be made only after debate among the leaders of the NATO countries that could be preceded by a meeting of NATO foreign ministers Tuesday morning.

CNN: Inviting New Members Into NATO

According to the NATO military official who spoke with CNN, there were 39 such "green-on-green" incidents last year and already 31 this year.

CNN: Shootings by Afghan forces take growing toll on NATO troops