Presumably recruitment and PR for the air force, and morale for the aviators, as they can show off their training and skills to friends, family and the general public.
Acting as a sales platform for aircraft manufacturers is also a thing. The RAF Red Arrows are probably responsible for a load of sales of the Hawk advanced trainer they use in their displays.
Acting as a sales platform for aircraft manufacturers is also a thing. The RAF Red Arrows are probably responsible for a load of sales of the Hawk advanced trainer they use in their displays.