For the first time in two and half years,Prince Harrywill once again wear a military uniform.

In a change of plans asQueen Elizabeth’s funeral processions continue, the Duke of Sussex, whocelebrated his 38th birthday on Thursday, will join other members of the royal family who hold military rank in wearing a military uniform at the next ceremonial event for the late monarch on Saturday.

The update comes “at the King’s request,” according to a palace source, and the decision was made withoutPrince Harryrequesting a change, PEOPLE has learned. The Duke of Sussex was prepared to wear whatever was asked, PEOPLE understands, and his focus is on honoring his grandmother.

Now, Harry will wear traditional regalia for Saturday’ssolemn vigilat Westminster Hall in London. There, he and his brotherPrince Williamwill lead their charge of first cousins, briefly standing at opposite ends of their grandmother’s coffin in the medieval hall.

Samir Hussein/WireImage

Prince William, Prince of Wales and Prince Harry, Duke of Sussex walk behind Queen Elizabeth II’s coffin is taken in procession on a Gun Carriage of The King’s Troop Royal Horse Artillery from Buckingham Palace to Westminster Hall on September 14, 2022 in London, England. Queen Elizabeth II will lay in state until the early morning of her funeral. Queen Elizabeth II died at Balmoral Castle in Scotland on September 8, 2022, and is succeeded by her eldest son, King Charles III.

Prince Harry, Duke of Sussex walks behind Queen Elizabeth II’s coffin as it is transported on a gun carriage from Buckingham Palace to The Palace of Westminster ahead of her Lying-in-State on September 14, 2022 in London, United Kingdom. Queen Elizabeth II’s coffin is taken in procession on a Gun Carriage of The King’s Troop Royal Horse Artillery from Buckingham Palace to Westminster Hall where she will lay in state until the early morning of her funeral. Queen Elizabeth II died at Balmoral Castle in Scotland on September 8, 2022, and is succeeded by her eldest son, King Charles III.

The Duke of Sussex will stand at the foot of the coffin alongside first cousinsPrincess BeatriceandPrincess Eugenie, the daughters of Prince Andrew, the Queen’s second son. Their other cousins, Lady Louise Windsor and Viscount Severn — the children of Prince Edward, the Queen’s youngest son — will stand at the middle of the coffin.

Chris Jackson/Getty

LONDON, ENGLAND - SEPTEMBER 14: Prince William, Prince of Wales, Vice Admiral, Sir Timothy Lawrence, Prince Harry, Duke of Sussex, Mr Peter Phillips, King Charles III, Princess Anne, Princess Royal, Prince Andrew, Duke of York and Prince Edward, Earl of Wessex walk behind the coffin during the procession for the Lying-in State of Queen Elizabeth II on September 14, 2022 in London, England. Queen Elizabeth II’s coffin is taken in procession on a Gun Carriage of The King’s Troop Royal Horse Artillery from Buckingham Palace to Westminster Hall where she will lay in state until the early morning of her funeral. Queen Elizabeth II died at Balmoral Castle in Scotland on September 8, 2022, and is succeeded by her eldest son, King Charles III.

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On Wednesday, Harry and his unclePrince Andrewboth wore morning suits during the ceremonial procession of the late Queen’s coffin fromBuckingham Palaceto Westminster Hall.

Prince Andrew and Prince Harry on Sept. 14.Kate Green/Getty

Prince Andrew, Duke of York and Prince Harry, Duke of Sussex walk behind the coffin during the procession for the Lying-in State of Queen Elizabeth II on September 14, 2022 in London, England. Queen Elizabeth II’s coffin is taken in procession on a Gun Carriage of The King’s Troop Royal Horse Artillery from Buckingham Palace to Westminster Hall where she will lay in state until the early morning of her funeral. Queen Elizabeth II died at Balmoral Castle in Scotland on September 8, 2022, and is succeeded by her eldest son, King Charles III.

The two men did pin military medals on their suits in recognition of their military service, however, which in Prince Andrew’s case included a medal for serving as a helicopter pilot in the Falklands War in 1982. The Duke of York spent 22 years in the Royal Navy.

It was previously confirmed that the Queen’s second sonwould be allowed to wearmilitary uniform to Saturday’s vigil as a sign of respect for the late royal, who “peacefully” died at age 96 on September 8.

While Andrew and Harry are no longer senior working royals, a spokesperson for the Duke of Sussex stressed that his focus is on mourning the monarch.

Simon Dawson - WPA Pool/Getty

Prince Harry, Duke of Sussex and Meghan, Duchess of Sussex arrive to attend the Mountbatten Music Festival at Royal Albert Hall on March 7, 2020 in London, England.

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Prince Harrylast formally wore a military uniform to theMountbatten Music Festivalat Royal Albert Hall in London in March 2020. Then serving as Captain General of the Royal Marines, the prince was dapper in the force’s scarlet red dress jacket and full regalia.

Harry, who served in the British Army for 10 years and was deployed to Afghanistan twice,lost his three honorary military titles(Captain General of the Royal Marines, Honorary Air Commandant of RAF Honington and Commodore-in-Chief, Small Ships and Diving, Royal Naval Command) after he and wifeMeghan Marklestepped back from their senior royal roles in March 2020.

The prince has since worn dark morning suits to respect mourning dress for the ceremonial events leading up to thestate funeralofQueen Elizabethon Monday.

At this time, he is not expected to wear military attire for the funeral itself.

source: people.com