dual-key

Pakistan has privately proposed to their American counterparts moving to a dual-key approach to the strikes.

CIA Strikes Strain Ties With Pakistan Further Adam Entous 2011

Though it is conceivable that after the shock of losing Washington or Chicago, the U.S. -- or Britain after Birmingham, France after Lyon -- would, even without an address certain, release a second strike, it is very unlikely that, even with an address certain, any nuclear power would launch in behalf of another nation, NATO ally or not, absent an explicit arrangement such as the dual-key structure during the Cold War.

The Soft Underbelly of Europe 2007

Some people look back to joint actions in Bosnia and what is described at the dual-key approach, and you know, some don't think effective at all.

CNN Transcript Oct 10, 2001 2001

MR. MCCURRY: The operation of the dual-key is -- has been briefed before.

Press Briefing By Mike Mccurry ITY National Archives 1995

MR. MCCURRY: There's the dual-key system, and has been described over and over again at the State Department and at the Pentagon.

Press Briefing By Mike Mccurry ITY National Archives 1995

But we have a dual-key policy in effect, and when NATO's been called upon by the U.N.,

Press Briefing By Dee Dee Myers ITY National Archives 1994

MS. MYERS: Well, as you know, quite some time ago we adopted a dual-key policy which required the approval of both the U.N. and NATO before air power was used.

Press Briefing By Dee Dee Myers ITY National Archives 1994

But we do have a policy that is a dual-key policy, that does require the approval of both the U.N. and of NATO before air power, air strikes are used.

Press Briefing By Dee Dee Myers ITY National Archives 1994

For an annual fee of around £80 customers could keep valuables in a dual-key safe: the customer twists one key, the bank manager the other, the door opens to allow the box to be taken into a secure and private room to deal with the contents.

This is Money | Home 2010

For an annual fee of around £80 customers could keep valuables in a dual-key safe: the customer twists one key, the bank manager the other, the door opens to allow the box to be taken into a secure and private room to deal with the contents.

This is Money | Home 2010