A boy is seen during the Canberra Airport Open Day in Canberra, Australia, April 18, 2026. (Photo by Chu Chen/Xinhua)

People pose for photos in the cockpit of a Royal Australian Air Force (RAAF) aircraft on display during the Canberra Airport Open Day in Canberra, Australia, April 18, 2026. (Photo by Chu Chen/Xinhua)

People watch the performance of Royal Australian Air Force (RAAF) Roulettes aerobatic display team during the Canberra Airport Open Day in Canberra, Australia, April 18, 2026. (Photo by Chu Chen/Xinhua)

Visitors view an aircraft during the Canberra Airport Open Day in Canberra, Australia, on April 18, 2026. (Photo by Chu Chen/Xinhua)

The Royal Australian Air Force (RAAF) Roulettes aerobatic display team performs during the Canberra Airport Open Day in Canberra, Australia, April 18, 2026. (Photo by Chu Chen/Xinhua)