"R. David Steele" wrote:

Also why not market the C-17 to the air freight community?

This has been mooted, either as is or in a civil variant, at various
times. For some of the issues involved you might wish to read "C-17
-- How to Get More for Less":

http://handle.dtic.mil/100.2/ADA357811

It's about 2 meg.

Guy