1979 SEA ICE RADAR EXPERIMENT - NARA - 17471771.jpg
en
1979 SEA ICE RADAR EXPERIMENT NARA 17471771, US National Archives series: Photographs Relating to Agency Activities, Facilities and Personnel, Images from the National Archives and Records Administration, US National Archives location: other, 1979 SEA ICE RADAR EXPERIMENT
commons
ja
1979年 セーエイ・ICE RADAR EXPERIMENT NARA 17471771、米国国立公文書館所蔵:1979年 セーエイ・ICE RADAR EXPERIMENT
commons_translated
sea ice formed