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(*SEA ICE
2
ANTARCTIC REGIONS)
2
Ice and Permafrost
MCMURDO SOUND
2
METEOROLOGICAL SATELLITES
ROSS SEA
2
ROUGHNESS
2
Snow
2
(*AERIAL RECONNAISSANCE
1
(*OCEANOGRAPHY
1
(*WEATHER FORECASTING
1
AERIAL RECONNAISSANCE
1
C-121 AIRCRAFT
1
C-121J AIRCRAFT
1
C-130 AIRCRAFT
1
C-130F AIRCRAFT
1
DEEP FREEZE OPERATION
1
DISTRIBUTION
1
DRIFT
1
ICE ISLANDS
1
MAPS
1
MARINE TRANSPORTATION
1
METEOROLOGICAL CHARTS
1
Meteorology
1
OBSERVATION AIRCRAFT
1
PERIODIC VARIATIONS
1
PREDICTIONS)
1
REMOTE AREAS
1
SEA ICE)
1
TRANSPORT AIRCRAFT
1
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