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земля-воздух stresses
astronaut.	ground-to-air
Gruzovik, missil.	surface-to-air

земля-воздух: 369 phrases in 31 subjects

American usage, not spelling	1
Antennas and waveguides	3
Armored vehicles	2
Artillery	33
Astronautics	30
Aviation	34
Aviation medicine	1
Communications	3
Diplomacy	5
Electronics	9
General	23
Geology	3
Geophysics	2
Historical	1
Household appliances	1
Lasers	2
Makarov	19
Mass media	1
Meteorology	8
Military	135
Military aviation	2
Missiles	11
Nanotechnology	1
NATO	1
Nautical	1
Technology	24
Telecommunications	8
Television	2
Water resources	1
Water supply	1
Weapons and gunsmithing	1