Helicopters practice in preparation for the National Day celebration on September 2nd

On the morning of July 30, at Hoa Lac airport, 10 helicopters practiced forming formation, preparing for the celebratory flight at the 80th anniversary of the August Revolution and National Day September 2.

Preparing the plane before take-off. (Photo: Trong Duc/VNA)

Flight crew members before take-off. (Photo: Trong Duc/VNA)

The flight formation is practicing. (Photo: Trong Duc/VNA)

The flight formation is practicing. (Photo: Trong Duc/VNA)

The flight formation is practicing. (Photo: Trong Duc/VNA)

Plane takes off for meteorological reconnaissance flight. (Photo: Trong Duc/VNA)

Training flight formation. (Photo: Trong Duc/VNA)

Plane takes off for meteorological reconnaissance flight. (Photo: Trong Duc/VNA)

Training flight formation. (Photo: Trong Duc/VNA)

Training flight formation. (Photo: Trong Duc/VNA)

Pilot in the cockpit of a helicopter. (Photo: Trong Duc/VNA)

The joy of a pilot returning to the airport after completing a mission. (Photo: Trong Duc/VNA)

Planes return to the airport after performing a mission. (Photo: Trong Duc/VNA)

Source: https://hanoimoi.vn/may-bay-truc-thang-luyen-tap-chuan-bi-cho-dai-le-mung-quoc-khanh-2-9-710909.html