Essentially, NATO's capabilities boil down to aerial supervision and intelligence. Those capabilities are mainly put at its disposal by the member states. However, there are some major deficiencies, and the Libya operation clearly showed that, despite the fact that NATO authorities declared it a military success.
As the member noted, we saw that some countries were able to participate, while others were not. That's a real challenge that will be have to be addressed at the next meeting of the heads of state and government, which will be held in Chicago, in addition to the progress of work on smart defence.
If I had to assign a mark, I would give it a B+.