all about aeronautics

http://www.aea.be/about/memberairlines/index.html

http://www.thefreedictionary.com/AEA

http://www.aeroengaus.com.au/

http://www.aeroengaus.com.au/links.htm

http://www.google.com/images?hl=en&q=hypersonic+vehicles&um=1&ie=UTF-8&source=univ&ei=JcY9TPjoBISAvgOFyYSEDw&sa=X&oi=image_result_group&ct=title&res

http://nextbigfuture.com/2008/02/hypersonic-vehicles-designs-and.html