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DENMARK
4
FREEZING
GREENLAND SEA
4
Ice and Permafrost
4
MELTING
4
STRAITS
Snow
4
(*AERIAL RECONNAISSANCE
3
(*SEA ICE
3
FLIGHT PATHS
3
ICE ISLANDS
3
SEA ICE)
3
SEA WATER
3
ARCTIC OCEAN)
2
OBSERVATION AIRCRAFT
2
Physical and Dynamic Oceanography
2
THICKNESS
2
WEATHER FORECASTING
2
*ARCTIC OCEAN
1
*BIRDS EYE PROJECT
1
AERIAL PHOTOGRAPHS
1
ALASKA
1
AN/AMQ-17
1
ARCTIC OCEAN
1
ARCTIC REGIONS)
1
BAFFIN ISLAND
1
BAYS
1
BIRDS EYE 8 1969 PROJECT
1
C-121 AIRCRAFT
1
C-121K AIRCRAFT
1
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