The refueller refuels two helicopters in the air at the same timeThe refueller refuels two helicopters in the air at the same time
Unmanned aerial helicopter with real-time video shootingUnmanned aerial helicopter with real-time video shooting
Helicopter on the background of beautiful white mountainsHelicopter on the background of beautiful white mountains
Helicopter of the ministry of internal affairs of russia landingHelicopter of the Ministry of Internal Affairs of Russia landing