Author:David S. F. Portree

From Wikisource
Jump to: navigation, search
David S. F. Portree
Space history author and former Technical Writer for Johnson Space Center.
David S. F. Portree


This work is in the public domain because it was created by the United States National Aeronautics and Space Administration (NASA), whose copyright policy states that "NASA material is not protected by copyright unless noted".
Please note, use of NASA logos are restricted by law, but these are not copyright restrictions