They continued in their political dimension. They continued in their political will, but they ended up doing what NATO calls “crisis management” operations—problems outside of Europe, often, for which the United Nations was looking for capability and a group of experienced countries to work together.
That's how you have NATO coming alongside the United Nations to help resolve problems. For example, for NATO officers in Rome, this is what is trained in their major exercise: how to learn to work with the United Nations and to merge the objectives of the United Nations with the capabilities of the alliance.