Soldiers mount a gun on the background of a helicopterSoldiers mount a gun on the background of a helicopter
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
The soviet helicopter flies high above the blue cloudsThe Soviet helicopter flies high above the blue clouds
Helicopter on the background of beautiful white mountainsHelicopter on the background of beautiful white mountains