A group of helicopter in mid-air attack enemy
Schlüsselwörter
aerospace industry,
airforce,
aeroplane,
air show,
army,
battle,
blue,
chopper,
color image,
cut-out,
danger,
day,
environment,
flying,
helicopter,
horizontal,
hovering,
silhouette,
natural phenomenon,
mid-air,
military,
nature,
no people,
outdoors,
pattern,
photo,
propeller,
backview,
rivalry,
sky,
speed,
transportation,
turning,
war,
weapon,
weather,
escadrille,
flight,
air,
aviation,
formation
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