[Launch Alert] L-4 Launch Update

[Launch Alert]

The following is a Delta IV Heavy L-4 launch update from the United Launch Alliance:

Everything is progressing toward the ULA Delta IV Heavy launch carrying the NROL-91 mission for the National Reconnaissance Office. The mission is set to lift off on Sat., Sept. 24 from Space Launch Complex-6 at Vandenberg Space Force Base in California. The launch time is 2:53 p.m. PDT. Today’s forecast shows a 90 percent chance of favorable weather conditions for launch.

Launch Forecast Summary:
Overall probability of violating weather constraints: 10%
Primary concern: Thick Clouds

Overall probability of violating weather constraints for 24-hour delay: 10%
Primary concerns: Liftoff Winds

Launch Broadcast
Live broadcast coverage of launch available at: www.ulalaunch.com (www.ulalaunch.com). The NROL-91 launch broadcast will start at 2:33 p.m. PDT.

Live launch updates available at: www.ulalaunch.com (www.ulalaunch.com).
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