The launch time has been adjusted slightly to 5:49pm PST (8:49 p.m. EST; 0149 UTC) that takes into account the earlier brief hold in the countdown. #NROL71 #DeltaIVHeavy— ULA (@ulalaunch) December 20, 2018
The launch time has been adjusted slightly to 5:49pm PST (8:49 p.m. EST; 0149 UTC) that takes into account the earlier brief hold in the countdown. #NROL71 #DeltaIVHeavy