The soviet one of the heaviest mi6 helicopters in the worldThe Soviet one of the heaviest Mi6 helicopters in the world
Mi-24 transport and combat helicopter on the grassMi-24 transport and combat helicopter on the grass
The helicopter of the us armed forces is gaining altitudeThe helicopter of the US Armed Forces is gaining altitude
A russian helicopter flies over the water surface of the riverA Russian helicopter flies over the water surface of the river
Several helicopters are flying in combat order across the clear skySeveral helicopters are flying in combat order across the clear sky