Lieutenant General Sir David Henderson, was the senior leader of British military aviation during the First World War, having previously established himself as the leading authority on tactical intelligence in the British Army. He served as the commander of the Royal Flying Corps in the field during the first year of the First World War, and was instrumental in establishing the Royal Air Force as an independent service. After the war Henderson was the first Director-General of the League of Red Cross Societies.

Lieutenant general, formerly more commonly lieutenant-general, is a senior rank in the British Army and the Royal Marines. It is the equivalent of a multinational three-star rank; some British lieutenant generals sometimes wear three-star insignia, in addition to their standard insignia, when on multinational operations.