What event has a feature that has been described as "the first major military campaign fought entirely by air forces"?
Battle of Britain The Battle of Britain (German: "Luftschlacht um England" , literally "the air battle for England") was a military campaign of the Second World War, in which the Royal Air Force (RAF) defended the United Kingdom (UK) against large-scale attacks by the German Air Force (Luftwaffe). It has been described as the first major military campaign fought entirely by air forces.
Airlift An airlift is the organized delivery of military supplies or military personnel primarily via military transport aircraft.