SpaceX continues to get the job done in space like no other organization.  On December 22, 2017 they had their final launch of the year.  Using a re-used Falcon 9 first stage, they launched and successfully deployed 10 Iridium satellites.  This marked their 18th launch of the year, setting a new company record.

The Falcon 9 launched from Vandenberg Air Force Base in California, and in the clear early evening skies was seen all across southern California and parts of Arizona.  If you missed the live webcast of the launch, you can watch the replay: