After the 9/11 terrorist assaults in opposition to its ally the USA, by which 67 British nationals had been killed, the U.Ok. despatched the second-largest contingent of forces to the nation, deploying 150,000 army personnel over time. Britain even despatched a prince. Harry served two deployments in Afghanistan.
https://www.washingtonpost.com/world/europe/afghanistan-refugees-lawmakers-britain/2021/08/18/44c903ee-0017-11ec-87e0-7e07bd9ce270_story.html?utm_source=rss&utm_medium=referral&utm_campaign=wp_world | Destiny of allied Afghans issues Western lawmakers after Kabul’s fall