© Licensed to London News Pictures. 25/10/2017. Portsmouth, UK.  People watching and waving as HMS Duncan (D37) approaches the entrance to Portsmouth Harbour today, 25th October 2017. The Type 45 destroyer has been in Portsmouth since September and is believed to be preparing to resume the role as flagship to the Standing NATO Maritime Group 2 (SNMG2) in the Mediterranean Sea, currently being fulfilled by HMS Diamond.  Photo credit: Rob Arnold/LNP