Honourable Corps of Gentlemen at Arms
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His Majesty's Body Guard of the Honourable Corps of Gentlemen at Arms is a bodyguard to the British Monarch. Until 17 March 1834, they were known as The Honourable Band of Gentlemen Pensioners. Wikipedia
Captain: The Baroness Williams of Trafford; Chief Whip in the House of Lords
Collar badge: Portcullis
Colonel in Chief: HM The King
March: The Nearest Guard
Plume: White
Role: Royal Body Guard
Size: One Troop