http://www.nasa.gov/centers/dryden/pdf/88796main_YF-12.pdf
flateric ACCESS: Above Top Secret Staff member Top Contributor Senior Member Joined Apr 2, 2006 Messages 9,107 Reaction score 1,096 Jun 15, 2007 #1 http://www.nasa.gov/centers/dryden/pdf/88796main_YF-12.pdf