On Horse Guards the colour being trooped this year was that of the 1st Battalion Grenadier Guards - the senior regiment of infantry in the British Army.
Two months ago they were serving in Afghanistan. During the six month tour of duty they lost five members of the regiment, including their Regimental Sergeant Major Darren Chant.
So amid all the ceremony on Horse Guards today, there was also an element of remembrance for comrades who gave their lives on the battlefield.
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