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Keywords from Image Description:
eisenhower and balchen eisenhowerandbalchen eisenhower aviation aviator explorer polar explorer polarexplorer bernt balchen berntbalchen balchen president eisenhower presidenteisenhower dwight d. eisenhower dwightdeisenhower dwight eisenhower dwighteisenhower SDASM.CATALOG Balchen SDASM.TITLE Eisenhower and Balchen SDASM.DATE SDASM.ADDITIONAL