Milwaukee, Wis.— The Experimental Aviation Association’s (EAA) Annual Convention and Fly-In in Oshkosh, Wisconsin has grown to be the largest annual fly-in in the world. In 2019, EAA AirVenture Oshkosh welcomed more than 642,000 people from 93 nations, along with more than 10,000 aircraft. STARBASE Wisconsin attended the 2019 Fly-In to conduct educational outreach and science teacher training.