A russian helicopter flies over the water surface of the riverA Russian helicopter flies over the water surface of the river
Helicopters at the airfield take off along the highwayHelicopters at the airfield take off along the highway
A russian military helicopter is preparing to take offA Russian military helicopter is preparing to take off
A military helicopter flies over the forest extinguishes a fireA military helicopter flies over the forest extinguishes a fire
The helicopter is a large military one most likely an american flightThe helicopter is a large military one most likely an American flight