Launch of Delta IV NROL-65, August 28, 2013 from Vandenberg Air Force Base. (Credit: ULA)
A note from ULA:
Final preparations are occurring for the Air Force’s GPS IIF-5 launch. Liftoff is set for Thursday, Feb. 20 aboard a ULA Delta IV rocket from Space Launch Complex 37 at Cape Canaveral Air Force Station in Florida. The 19-minute launch window opens at 8:40 p.m. EST. Today’s L-2 forecast continues to show an 80 percent chance of favorable weather conditions for launch. I have included below the broadcast coordinates.
8:20 p.m.: The GPS IIF-5 launch will be carried live beginning 20 minutes prior to launch and will conclude approximately 25 minutes following launch.
A simulcast of the broadcast can be viewed here: http://ift.tt/1gGmJcX
8:40 p.m.: Opening of the launch window
Weather Forecast
Overall probability of violating weather constraints: 20%
Primary concern(s): Cumulus Clouds, Solar Activity
Overall probability of violating weather constraints for 24 hour delay: 30%
Primary concern(s): Flight through Precipitation, Solar Activity
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