Meanwhile, the United States is happy with Canada's extension of troops in Afghanistan.
The U.S. Assistant Secretary of State Philip Crowley told reporters in Washington last week that his country is "grateful for Canada's ongoing contribution" to the mission in Afghanistan.
Facing increasing pressure to reduce the country's combat role in Afghanistan dramatically due to costs, U.S. President Barack Obama is to begin next month a review of the U.S. strategy in Afghanistan, where about 100,000 American military personnel are based.