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• U.S. Army observer (LOC)

  • Uploaded by: The Library of Congress
  • License: No known copyright restrictions
  • 2 comments
  • 26 favorites
  • 6,790 views
  • Date taken: 1915
  • Date uploaded: 2016-12-02
  • Tags: libraryofcongress, dc:identifier=httphdllocgovlocpnpggbain28303, xmlns:dc=httppurlorgdcelements11, observationballoon, aviation, lighterthanair, balloon, unitedstatesarmy, usarmy
  • Visibility: public