Everything is progressing toward the ULA Delta IV Heavy launch carrying the NROL-71 mission for the National Reconnaissance Office.

The mission is set to lift off on a Delta IV Heavy rocket on Saturday, Jan. 19 from Space Launch Complex-6 at Vandenberg Air Force Base in California.

The forecast remains a a 70 percent chance of favorable weather conditions for launch. The launch time is 11:05 a.m. PST.

Launch Forecast Summary:

Overall probability of violating weather constraints: 30%

Primary concerns: Ground Winds

Overall probability of violating weather constraints for 24 hour delay: 60%

Primary concern: Ground Winds

Launch Broadcast

Live broadcast coverage of launch will begin at 10:45 a.m. PST on Jan.19.

Live launch updates and webcast available at: www.ulalaunch.com

Julie Arnold, photo Ula