The US Defence Department has said it is trying to determine if a missile was launched off the coast of California.
A CBS News helicopter captured what looked like the vapour trail of a missile rising over the Pacific Ocean.
The Pentagon has said it does not consider the sighting to be the result of hostile action
http://www.bbc.co.uk/news/world-us-canada-11721981
http://www.bbc.co.uk/news/world-us-canada-11723438
That is definately some kind of rocket propelled system being launched, either missile or orbital platform!
Andy