The Duke of Cambridge wears the insignia of the Aide-de-Camp for the first time
The Duke of Cambridge has been made a Personal Aide-de-Camp to The Queen.
The Duke of Cambridge's honorary appointment was detailed in the Court Circular and The Duke wore the insignia of the position for the first time at the St Patrick's Day parade for the 1st Battalion Irish Guards at Mons Barracks in Aldershot, Hampshire.
Queen Victoria was the first to institute the appointment of a small group of personal Aides-de-Camp (ADC) positions, with one of the earliest holders being Prince Louis of Battenberg.
The Duke of Cambridge's father The Prince of Wales is also a Personal Aide-de-Camp to the monarch.
The Duke of Edinburgh was made Personal Aide-de-Camp by The Queen's father, King George VI.
Principal ADC is an office held by some high-ranking officers in the Armed Services and includes carrying duties such as attendance on The Queen at the State Opening of Parliament or representing The Queen at memorial services.
Other ADCs are also chosen from the Armed Services.
Last summer, second in line to the throne The Duke of Cambridge was given the highest honour in Scotland after being installed as a Royal Knight of the Order of the Thistle at a service in Edinburgh.
He is also a Knight of the Garter.