The Royal Regiment of Canadian Artillery (RCA) has officially taken over the role of conducting the Queen's Guard at the Royal Palaces.
It follows months of preparation for the soldiers who have flown in from the Canadian Forces Base (CFB) Shilo, in Manitoba, Canada.
The soldiers will conduct the Queen's Guard at Buckingham Palace, St James' Palace, Windsor Castle and the Tower of London.
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The Coldstream Guards formally handed over the role to the RCA during a Changing of the Guard ceremony on Monday.
It is a historic moment for the RCA as they have previously never performed ceremonial duties.
The Canadian troops are also the first overseas ceremonial public duties company since the coronavirus pandemic.
Taking over as Queen's Guard is also part of the RCA's UBIQUE 150 celebration, a year-long commemoration and celebration of the founding of A and B Batteries of the 1st Regiment, Royal Canadian Horse Artillery in 1871.
The establishment of A and B Batteries on Canadian soil allowed for the country to bear responsibility for its own defence and laid the groundwork for political autonomy and the Canadian Army.
Watch: The Royal Regiment of Canadian Artillery preparing for Queen's Guard takeover last month.