As Mullen noted, Pakistani cooperation is essential if al Qaeda is to be defeated.
Now it is time to call it off, or at least seriously review our cooperation with America.
The cooperation between the Sunni tribes and ISIS “may not indicate mass conversion to religious extremism,” Moaddel said.
At that point, Democrats will need Republican cooperation to raise the debt-ceiling limit.
You have a book coming out about it [written by Daily Beast contributor Diane Dimond, with the Salahis' cooperation].
A method of coordination and cooperation of the Army and Navy and the principal aircraft builders is being perfected.
"After what you have told me, I shall ask your cooperation," said Annunciata smoothly.
Brotherliness, or comradeship, shows itself in unselfish service and cooperation with others.
The boys were in a glow of pride at this cooperation with Colonel Woodruff.
The great school for training men in the little things that make up the bulk of character is team-work and cooperation in play.
late 15c., from Middle French coopération, or directly from Late Latin cooperationem (nominative cooperatio) "a working together," noun of action from past participle stem of cooperari "to work together," from com- "with" (see com-) + operari "to work" (see operation).