Jason 3 pre-launch news conference

The towering mobile platform for NASA’s Space Launch System emerged from the Vehicle Assembly Building at the Kennedy Space Center in Florida Tuesday morning, returning to a seaside launch complex to complete tests interrupted by Hurricane Dorian last week.

SpaceX’s Falcon 9 rocket will go from Cape Canaveral to low Earth orbit in 10 minutes Friday with a Dragon capsule heading for the International Space Station carrying more than 4,800 pounds of supplies and experiments.

Tugged along a historic route leading to the launch pad where Yuri Gagarin took off 1961 to become the first person in space, a Soyuz rocket rolled out of its assembly hangar in Kazakhstan and stood up on its launch mount Sunday.