A military helicopter is flying in the sky over the mountainsA military helicopter is flying in the sky over the mountains
Helicopter gunships over the frozen lake fly to the snowy mountainsHelicopter gunships over the frozen lake fly to the snowy mountains
A helicopter gunship flies in the smoke from the explosionsA helicopter gunship flies in the smoke from the explosions
A pair of military helicopters flying over the groundA pair of military helicopters flying over the ground