 Aircraft were still primitive at the time, with limited capabilities, and the effort received mixed reviews.Exploration of the idea continued, however, and France and the United Kingdom used fully organized air ambulance services during the African and Middle Eastern Colonial Wars of the 1920s.In 1920, the British, while suppressing the "Mad Mullah" in Somaliland, used an Airco DH.9A fitted out as an air ambulance.