On December 17th @ 22:07 - if you live on the east coast of the US here is another chance to watch a rocket launch:
http://www.nasa.gov/exploration/commercial/cargo/orbitalsciences-index.html#.Up4iMlxDuEk (http://www.nasa.gov/exploration/commercial/cargo/orbitalsciences-index.html#.Up4iMlxDuEk)