18-19 August - Chicago Air & Water Show

The Chicago Air & Water Show is the largest two-day spectator event in the United States and the longest ongoing show of its kind in North America.
The 2007 Chicago Air and Water Show will take place Saturday August 18th & Sunday August 19th, 2007.
The U.S. Air Force Thunderbirds Return to Chicago's Lakefront For the 49th Annual Chicago Air and Water Show.The Chicago Air and Water Show shakes up the lakefront August 18 - 19, 2007 for the largest FREE show of its kind in the United States. This year the U.S. Air Force Thunderbirds and U.S. Army Parachute Team Golden Knights will headline the Chicago Air and Water Show along the lakefront from Fullerton to Oak Street, with North Avenue Beach as the focal point. The water show begins at 9 a.m. and air show runs from 11 a.m. until 4 p.m. both days. Source: City of Chicago