іоносферний зв’язок
sky-wave communicator
sky wave
Voltage Standing Wave Ratio (VSWR) / voltage standing-wave ratio
skylining (sky-lining)
sky cover
sky radiation
sky waves
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 troops
sky watcher
sky-spy (satellite)
sky-trail
eyes-in-the-sky
cavalry of the sky
air wave strikes