Lance Cpl. Sarjvit Singh, left, of The Army Air Corps, and Signaler Simranjit Singh of the Royal Signals, pose together Thursday at Wellington barracks in London.

London ? Queen Elizabeth II has switched bearskin hats for turbans outside Buckingham Palace, where Sikh soldiers have begun guarding the monarch and her treasures, Britain’s defense ministry said Friday.

Signaler Simranjit Singh and Lance Cpl. Sarjvit Singh are the first Sikhs to take part in patrols outside the queen’s residence and to stand watch over the Crown jewels at the Tower of London across town.

Guard duties are usually carried out by the Guards of Household Division, famed for their bearskin hats and crimson coats that attract picture-taking tourists in their thousands. The ministry said the Sikh soldiers wore turbans and blue uniforms.

Other army regiments often help carry out guard duties at Britain’s Buckingham Palace when the Household Division is on operations. The ministry said the two soldiers are the first of the 90 Sikhs in Britain’s army to be handed the task.