Keywords: balchen and riiser-larsen balchenandriiserlarsen aviation aviator explorer polar explorer polarexplorer bernt balchen berntbalchen balchen SDASM.CATALOG: Balchen_000021 SDASM.TITLE: Balchen and Riiser-Larsen SDASM.DATE: 1952 SDASM.ADDITIONAL INFORMATION: Balchen and Riiser-Larsen on the first polar crossing of a commercial SAS aircraft-1952 SDASM.COLLECTION: Bernt Balchen Collection SDASM.TAGS: Balchen and Riiser-Larsen ,, PUBLIC COMMONS.SOURCE INSTITUTION: San Diego Air and Space Museum Archive SDASM.CATALOG: Balchen_000021 SDASM.TITLE: Balchen and Riiser-Larsen SDASM.DATE: 1952 SDASM.ADDITIONAL INFORMATION: Balchen and Riiser-Larsen on the first polar crossing of a commercial SAS aircraft-1952 SDASM.COLLECTION: Bernt Balchen Collection SDASM.TAGS: Balchen and Riiser-Larsen ,, PUBLIC COMMONS.SOURCE INSTITUTION: San Diego Air and Space Museum Archive |