https://www.space.com/17933-nasa-tel...-space-tv.html

Editor's note: United Launch Alliance is now targeting 8:09 p.m. EST (0109 GMT) for the launch of a Delta IV Heavy rocket carrying the classified NROL-44 satellite for the U.S. National Reconnaissance Office.
From ULA:

Rocket: Delta IV Heavy
Mission: NROL-44 Launch
Date: Dec. 10
Launch Time: 8:00 p.m. EST

Launch Location: Space Launch Complex-37, Cape Canaveral Air Force Station, Florida