The Platinum Jubilee Medal was among the regalia worn by Royals including the Prince of Wales and Duke of Cambridge at Trooping the Colour.
The medal, marking the Queen's 70-year reign, is being awarded to serving members of the Armed Forces and recipients of the George and Victoria Cross, as well frontline emergency service workers, prison service staff and members of the Royal Household.
Charles, Colonel of The Welsh Guards, was dressed in a bearskin with a green thistle sash, and wearing a variety of medals on his scarlet tunic.
Alongside the Queen's Service Order (New Zealand), Coronation Medal, Silver Jubilee Medal, Golden Jubilee Medal and Diamond Jubilee Medal, was the Platinum Jubilee Medal.
The heir to the throne also wore the Naval Long Service Good Conduct (LSGC), Canadian Forces decoration, the New Zealand Commemorative Medal and the New Zealand Armed Forces award.
Accompanying his medals were the Order of Merit neck order, thistle sash, collar of the Order of the Garter, Garter Star, Thistle Star, Bath Star and ADC Aiguillette.
Prince William, dressed in the uniform of Colonel, Irish Guards, Guard of Honour Order, also wore the Platinum Jubilee Medal.
In addition to the medal, the Duke wore his Golden Jubilee Medal, Diamond Jubilee Medal, RAF Wings, The Most Noble Order of the Garter, and The Most Ancient and Most Noble Order of the Thistle.
The Earl of Wessex, Colonel, The London Guards, dressed in the full ceremonial uniform with bearskin and wore Silver, Gold, Diamond and Platinum Jubilee medals, the New Zealand Medal and the Canadian Forces Medal.
He also wore the Garter Star and GCVO Star.
The Princess Royal, Colonel of The Blues and Royals, wore full ceremonial uniform with a green thistle sash, and a Bi-corn hat with a red plume.
She wore Silver, Gold, Diamond and Platinum Jubilee medals, The Most Noble Order of the Garter, The Most Ancient and Most Noble Order of the Thistle, and The Royal Victorian Order.
Serving military personnel who completed five full calendar years of service by 6 February 2022 are eligible for the Platinum Jubilee Medal.
Designed to thank its recipients for their public service, the medal features a portrait of the Queen with the Latin inscription "Elizabeth II Dei Gratia Regina Fid Def", which translates to "Elizabeth II, by the grace of God, Queen, defender of the faith".