A Russian helicopter has arrived at a military base
Mi-8 helicopter takes off against the backdrop of snowy mountains
A picture from a helicopter of a city immersed in fog
MH-53E Sea Dragon helicopter minesweeper at the airfield
The pilot climbs onto his helicopter at the airfield
Soldiers mount a gun on the background of a helicopter
Two people are directing the helicopter landing on the runway
The collapse of the tower on the helicopter in the blue