They were pursued by eight of the light dragoons
, who rode into the courtyard before they had time to close the gate.
Jim Joel served with 15th Hussars - now part of The Light Dragoons
- throughout World War I and the horse referred to by Alastair, who was sent to him in France by his father, Jack Joel, was called Sirian.
The exhibition opened to the public on Saturday and tells the 300-year story of The Light Dragoons
and the Queen's Own Yeomanry (Northumberland Hussars).
For more than 300 years The Light Dragoons
and its antecedents have played their part in the nation's defence and security.
Soldiers from the Light Dragoons
, 21 Engineer Regiment and the Royal Lancers also challenged 4 SCOTS, who were the defending champions.
Disney lost his right leg from the knee down when hit by a grenade while on duty with the Light Dragoons
in Afghanistan in 2009.
Among these was the Light Dragoons
, a world reputed and prestigious regiment where King Abdullah received training after graduating from the Royal Military Academy, Sandhurst.
The Light Dragoons
trooper said the Queen and Duke of Edinburgh knew of his challenge when he met them at a charity do this month.
Sergeant Lee Davidson, 32, of The Light Dragoons
, died on Sunday after his Ridgeback vehicle was hit by a roadside bomb while patrolling with the Afghan Uniformed Police in the Nahr-e Saraj district of Helmand province.
A SOLDIER killed in Afghanistan by a roadside bomb was last night named as Sergeant Lee Paul Davidson of The Light Dragoons
The soldier, whose name was not disclosed, from the Light Dragoons
was killed when the vehicle struck an improvised explosive device in the Nahr-e Saraj district of Helmand Province, the MoD said in a statement.
Viewers will be truly moved by the story of Ian Costello, who was an active soldier with the Light Dragoons
Regiment serving in Afghanistan before being terribly injured in a bomb blast.