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AIRBORNE
ARCTIC REGIONS
Ice and Permafrost
12
Snow
12
*SEA ICE
8
ICE
4
RADAR
4
Active & Passive Radar Detection & Equipment
3
MAPPING
3
REMOTE DETECTORS
3
SEA ICE
3
WATER
3
ARCTIC OCEAN
2
Acoustic Detection and Detectors
2
BACKSCATTERING
2
COVERINGS
2
DETECTION
2
EUROPE
2
EXTRACTION
2
Geography
2
HELICOPTERS
2
IMAGES
2
MAPS
2
MEASUREMENT
2
MICROWAVES
2
OCEAN SURFACE
2
PATROL AIRCRAFT
2
SIDE LOOKING SONAR
2
SURVEYS
2
THICKNESS
2
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