NATO即応部隊
The Royal Navy routinely provides a single warship to the Standing NATO Maritime Group 2 (part of the NATO Response Force). The standard area of operations for the Standing NRF Maritime Group 2 is the Mediterranean Sea. In 2017, HMS "Duncan" deployed as flagship of the group, HM Ships "Diamond" and "Ocean" also took on the role prior to "Duncan" resuming her duties in early 2018 till July 2018.