Author:David S. F. Portree
From Wikisource
| ←Author Index: Po | David Portree |
| David S. F. Portree is the space history author and former Technical Writer for Johnson Space Center. |
[edit] Works
- Humans to Mars: Fifty Years of Mission Planning, 1950-2000
- Mir Hardware Heritage
- NASA's Origins and the Dawn of the Space Age
- Orbital Debris: A Chronology
- Walking to Olympus: An EVA Chronology
| 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 |