Close air support
Operating strategic, tactical, and coastal air forces together throughout the latter stages of the Second World War was based on the successful practice primarily of Air Chief Marshal Sir Arthur Tedder and Air Vice Marshal Arthur Coningham during the Western Desert Campaign of WWII. This original 'tri-force' consisted of No. 205 (Heavy Bomber) Group, Air Headquarters Western Desert, and No. 201 (Naval Cooperation) Group as the strategic, tactical, and coastal components, respectively. Coningham commanded Air Headquarters Western Desert. To support Allied ground forces, he and Tedder developed some of the key features of Close air support still practiced in the 21st century.