Documentary following the Grenadier Guards as they prepare to lead the 2010 Trooping the Colour. But these men have had precious little time to prepare; as fighting soldiers, they have just spent six months on the front line in Afghanistan's Helmand Province.

Trooping the Colour is one of the greatest ceremonial events on earth. It's a dazzling occasion, but this is an event that's far more than pageantry; at the roots of the ceremony are discipline and survival.

The ceremony is based on the tradition of carrying, or 'trooping', the Colour - or flag - of the regiment through the ranks of soldiers, clearly visible above the smoke and dust of battle, rallying the men. This year it falls upon 1st Battalion Grenadier Guards to perform this prestigious role.

This is the story of how one and a half thousand men and women join together to create one of the greatest military ceremonies on earth. It is a ceremony with just one standard: Excellence. Show less