But western experts question why a legitimate operation would need to be concealed in a facility in a clandestine, underground site.

但西方专家质疑，为什么合法的工作需要隐藏在秘密的地下设施之中。

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The Afghanistan operation was quite the opposite — highly sophisticated and devastating, with vast implications for both the war in Afghanistan and future clandestine CIA operations.

（美军）在阿富汗的行动却正好相反—非常复杂而令人沮丧，强烈暗示着阿富汗战争和CIA在阿富汗秘密行动的未来—以迪克。

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Their stealth and clandestine methods of operation allow them to conduct multiple missions against targets that larger forces cannot approach undetected.

CNN: Commentary: Where heroes come from

The clandestine nature of Operation Condor means that its full extent may never be known, but researchers estimate that 50, 000 were killed, 30, 000 were "disappeared" and presumed killed, and 400, 000 were jailed, according to The Center for Justice and Accountability.

CNN: Trial over terrifying 'Operation Condor' under way

Pakistan's alleged co-operation, until very recently, with North Korea's clandestine nuclear ambitions is another thorn in the side of relations with America.

ECONOMIST: So much for a return to democracy | The