- Joined
- 31 December 2006
- Messages
- 801
- Reaction score
- 362
A Douglas Phil Bono concept circa December 1962.
http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19770069308_1977069308.pdf
http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19770069308_1977069308.pdf