EAA's Oshkosh Airventure is the largest fly in convention/air show in the world. Witness the event come roaring to life as 600,000+ people, and 10,000+ aircraft gather in Oshkosh, Wisconsin over eight (8) days to celebrate all aspects of aviation at EAA's Oshkosh AirVenture 2021. Hosted by W. Hulsey Smith and featuring various fighter jets and warbird aircraft. Aviation and Aerospace.