Email from @ulalaunch confirms that all pre-launch preparations are progressing on track for Thursday morning’s scheduled 09:00 EDT 13:00 UTC) launch of the #DeltaIV Medium+ 4,2 rocket with the #GPSIII satellite for the U.S. Air Force.
(📸: @ulalaunch) pic.twitter.com/wrqVbwtlQC

— Chris G (@ChrisG_SpX) August 18, 2019