- June 22-23 2002, Thunder in The Burgh!! Wings Over Pittsburgh 2002, Featuring The United States Air Force Thunderbirds On SUNDAY!! Free Admission and Parking !! Air Force Videos Requires High-Speed Connection Click here for a special invitation JUNE 22 and 23 2002 featuring the THUNDERBIRDS!! Sunday June 23 Welcome to Wings Over Pittsburgh 2002 American Spirit At the Pittsburgh International ...www.wingsoverpittsburgh.com