Domhnall, mascot of the Irish Guards, St Patrick's Day, 2015

Digital photograph by Sergeant Rupert Frere, Royal Logistic Corps, 2015.

Domhnall, an Irish wolfhound, wears a traditional sprig of shamrock, presented to him by the Duchess of Cambridge who was a guest of honour at the Irish Guards St Patrick's Day Parade in Aldershot.

From a collection of photographs compiled by Sergeant Rupert Frere, Royal Logistic Corps, primarily of British Army units involved in ceremonial duties in London in 2015.