sky troops

skylining (sky-lining)

sky cover

sky radiation

sky waves

sky-wave communication

sky-wave communicator

sky cavalry

sky cavalry company (reconnaissance)

sky diving

sky diving raid

sky genie

sky glow

sky hook

sky line

sky lookout

sky mар

sky-diver

sky padre

sky pilot (scout)

sky rocket

sky screen

sky shouting

sky space

sky trooper

sky watcher

sky wave

sky-spy (satellite)

sky-trail

eyes-in-the-sky

cavalry of the sky

Eye in the Sky (fiction movie, 2015)

airborne troops