I'll be "offline" for a few days, so I'm posting this now.
A United Launch Alliance (ULA) Delta IV Heavy rocket is launching the NROL-70 mission for the National Reconnaissance Office (NRO). Liftoff will occur from Space Launch Complex-37 at Cape Canaveral Space Force Station, Florida. This is the 16th and final launch of a Delta IV Heavy rocket. Liftoff is set for 12:53 pm Eastern, April 9.
https://www.ulalaunch.com/missions/next-launch/delta-iv-heavy-nrol-70