This image was acquired from
flickr. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
boeing superfortress col. clarence l. bill irvine colclarencelbillirvine north pole northpole radioman radio compartment radiocompartment From Col. Clarence L. ampquotBillampquot Irvine's Album documenting the Boeing Superfortress ampquotPacusan Dreamboatampquot flight over the North Pole in . Repository San Diego Air and Space Museum