Early Sunday morning, United Launch Alliance sent the US spysat NROL-42 into orbit with an Atlas V rocket blasting off from Vandenberg AFB in California. Here is a nice photo taken during the launch by Anthony Galván III:

Atlas V launch from Vandenberg AFB, California, 9/23/17 @22:55 hr. NROL-42 mission Image made from Goleta, California, 50 miles SE of the launch site.

Here is a ULA video with highlights of the preparations for the mission and of the launch: