The first of two Northrop Grumman aft exit cones for the Space Launch System’s solid rocket boosters arrives by truck in its shipping container at the Rotation, Processing and Surge Facility at NASA's Kennedy Space Center in Florida on Nov. 4, 2019. The aft exit cone was shipped from Promontory, Utah. It will be checked out and prepared for the Artemis I uncrewed test flight. The aft exit cones sit at the bottommost part of the twin boosters. They are attached to the aft skirts, which contain the booster separation motors. The exit cones help to protect the aft skirts during launch.