http://www.nasa.gov/centers/dryden/pdf/88796main_YF-12.pdf
flateric ACCESS: USAP Staff member Top Contributor Senior Member Joined 1 April 2006 Messages 10,477 Reaction score 5,755 15 June 2007 #1 http://www.nasa.gov/centers/dryden/pdf/88796main_YF-12.pdf