No. 210 Squadron was a Royal Air Force unit established in the First World War. Disbanded and reformed a number of times in the ensuing years, it operated as a fighter squadron during the First World War and as a maritime patrol squadron during the Spanish Civil War, the Second World War and the Cold War before it was last deactivated in 1971.

The Sopwith Triplane is a British single seat fighter aircraft designed and manufactured by the Sopwith Aviation Company during the First World War. It has the distinction of being the first military triplane to see operational service.