US forces have been increased [in Afghanistan ] from some 21,000 to about 31,000 over the past two years and a number of coalition countries have also increased their forces, there still are not sufficient troops.
![US forces have been increased [in Afghanistan ] from some 21,000 to about 31,000 over the past two years and a number of coalition countries have also increased their forces, there still are not sufficient troops.](http://cdn.quoteddaily.com/images/david-petraeus/us-forces-have-been-increased-in-afghanistan--from-some-21000-to-about-31000-over-the-past-two-years-and.jpg)
US forces have been increased [in Afghanistan ] from some 21,000 to about 31,000 over the past two years and a number of coalition countries have also increased their forces, there still are not sufficient troops.