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Keywords from Image Description:
vandenberg and balchen vandenbergandbalchen aviation aviator explorer polar explorer polarexplorer bernt balchen berntbalchen balchen aviators hoyt vandenberg hoytvandenberg vandenberg indoor SDASM.CATALOG Balchen SDASM.TITLE Vandenberg and Balchen SDASM.DATE SDASM.ADDITIONAL INFORMATION Balchen with the Chief of Staff of the USAF