Overview

• The U.S. Air Force Thunderbirds began their full run-through around 10 a.m. Friday, marking the last public dress rehearsal before the Aug. 16–17 shows.
• Rehearsal activities continue into mid-afternoon over Lake Michigan, offering spectators a less-crowded viewing opportunity from Fullerton Avenue to Oak Street Beach.
• Organizers used the exercise to finalize flight sequences, verify takeoffs and landings at Gary/Chicago International Airport and validate over-water safety zones.
• Weekend performances stay on schedule from 10:30 a.m. to 3 p.m. each day, headlined by the Thunderbirds and Army Golden Knights alongside military and civilian acts.
• City officials expect over one million attendees and underscore extensive safety measures, including designated stunt areas and coordinated multi-agency support.