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.
Egypt–Libya Campaign The Egypt–Libya Campaign is the name used by the United States military for the US contribution to the Allied Western Desert Campaign, during World War II. From 1942, U.S. forces assisted the British Commonwealth in fighting Axis forces in Egypt and Libya. The U.S. Egypt–Libya Campaign was part of what the US military called the Mediterranean Theater of Operations.