Kindle Store
Cause of hypersonic plane crash revealed
Flying at 20 times the speed of sound proved too much for the top-secret aircraft.
Monday, April 23, 2012
Super Secret Hypersonic Aircraft Flew Out of Its Skin - Yahoo! News
Super Secret Hypersonic Aircraft Flew Out of Its Skin - Yahoo! News
Kindle Store
Kindle Store
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment