The First Official Birthday For King Charles Has Been Announced, Here’s What It Means
The Princess of Wales will become Colonel of the Irish Guards, a role which was previously held by her husband Prince William, he take the Colonel of the Welsh Guards title from his father.
Article source: https://www.huffingtonpost.co.uk/entry/king-charles-trooping-of-the-colour_uk_63a41303e4b0aae8bcb480f4