The Army celebrate the birthday of their Queen
Pictured is the Regimental Mascot of the Irish Guards, an Irish Wolfhound called Domhnall.
He leads the troops onto Horseguards Parade during the 2017 Queen's Birthday Parade as the Army celebrate the birthday of their Queen.
All the Royal Colonels accompanied Her Majesty on parade with The Prince of Wales, The Duke of Cambridge, and The Princess Royal riding as part of the parade.
This year, the Colour being trooped in the presence of Her Majesty The Queen is that of the 1st Battalion Irish Guards, identified by the shamrock decorating the collars of their scarlet tunics and the distinctive blue plumes of St Patrick in their bearskin caps.
The Field Officer in Brigade Waiting, Lieutenant Colonel of the Irish Guards, will command the Parade from his horse Wellington. Before he marches his men off the square he will wish Her Majesty The happiest of birthdays from the officers and soldiers of the Household Division and The Kings Troop Royal Horse Artillery.
As well as the Irish Guards, there will be 242 Irish draught and cavalry horses on parade, and two English shire horses. Other units on parade will be Nijmegen Company Grenadier Guards, 7 Company Coldstream Guards, F Company Scots Guards and The Kings Troop Royal Horse Artillery. The Household Cavalry Mounted Regiment will provide the Sovereigns Escort with the Processional route on The Mall being street lined by the 1st Battalion Coldstream Guards. Personnel from the 1st Battalion Scots Guards Pipes and Drums, 1st Battalion Irish Guards Drums and Pipes, 1st Battalion Irish Guards Corps of Drums, 1st Battalion Coldstream Guards Corps of Drums, and the Bands of The Grenadier Guards, Coldstream Guards, Scots Guards, Irish Guards and the Welsh Guards, will play a programme of military and Irish themed music as if one