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An American helicopter flies over the hills
Rescue corbal in the open ocean
Sochi 2014 Olympic Games
Explosion of letters in the sky
American hip hop group the black eyed peas
Apache attack helicopter on the take-off site
Apache helicopter performs a combat mission
A military helicopter is flying in the sky over the mountains
Flying military large helicopter
Helicopter with infrared counteraction system
A helicopter gunship flies in the smoke from the explosions
The main attack helicopter takes off from the site