Rusty wrote:
Here are some new PDF files that were recently posted on the NASA
NTRS
server.

At the bottom of the list are some older NTRS PDF files that I just
recently found.

[...]
AN INVESTIGATION OF DRAG REDUCTION FOR TRACTOR TRAILER VEHICLES - Oct
1, 1978

http://ntrs.nasa.gov/archive/nasa/ca...1978025501.pdf

Shuttle and ET?

/dps