Managers Give Go for Delta IV Heavy Orion Launch

Credit: NASA
The Orion and Delta IV Heavy rocket stacked for launch at Space Launch Complex 37 at Cape Canaveral Air Force Station in Florida. (Credit: NASA/Kim Shiflett)

NASA Mission Update

Managers from United Launch Alliance (ULA) and Lockheed Martin gave a “go” to proceed toward launch pending completion of open work during the Launch Readiness Review for Orion’s flight test. The weather is forecast to be 60 percent “go” for a scheduled liftoff at 7:05 a.m. EST on Thursday, Dec. 4.

NASA TV will air an Orion Flight Test Status and Overview briefing at 1 p.m. today. On Dec. 3, a prelaunch status briefing will be held at 11 a.m. A NASA overview event with participation from social media followers will air at 1 p.m.

Meteorologists have not changed their prediction for Thursday morning’s weather and they continue to call for a 60 percent chance of acceptable conditions for Orion’s lift off on its first flight test. The launch window opens at 7:05 a.m. EST and closes 2 hours, 39 minutes later at about 9:44 a.m. The concern remains early morning precipitation at or near the Florida spaceport. NASA reserved the Eastern Range for Friday and Saturday as well, in case Thursday’s launch opportunity is not made.