What event has a feature that has been described as "the first major military campaign fought entirely by air forces"?
Airbourne (air show): Airbourne, also known as Eastbourne International Airshow, is a 4-day international air show run every August in Eastbourne, East Sussex, England. Airbourne (air show):  The event features Battle of Britain memorial flights and aircraft from the RAF and USAF, among others, and enjoys a long relationship with the Red Arrows display team. Battle of Britain:  It has been described as the first major military campaign fought entirely by air forces.
Airbourne