Pictures show how engineers in 1960s built top secret SR-71 Blackbird | Daily Mail Online - http://www.dailymail.co.uk/news...
"These fascinating pictures show how engineers in 1960s California secretly developed the SR-71 Blackbird for the US Air Force – a plane which still holds the record for being the fastest ever aircraft." - rønin
Skunk Works! *REDACTED ANECDOTE* - Big Joe Silenced
More amazing is where much of the titanium for the SR-71 was sourced: the Soviet Union. - Jonathan Disher