John Kallend, professor, Department of Mechanical, Materials and Aerospace Engineering, was part of a team of 112 skydivers who performed at the EAA Airventure Oshkosh Air Show on July 22 in Oshkosh, Wis. EAA Airventure is the largest air show in the United States. The crowd was estimated at some 110,000 spectators. The photo is courtesy of Charles Lane.