The #DeltaIV #NROL47 launch count has just entered a planned hold at T-4 hours to launch. Typically this is a 15-minute hold, but we will be extending it due to weather and wrap up some items in work.— ULA (@ulalaunch) January 10, 2018
The #DeltaIV #NROL47 launch count has just entered a planned hold at T-4 hours to launch. Typically this is a 15-minute hold, but we will be extending it due to weather and wrap up some items in work.