Start countdown update
It is just over three hours before launch, and NASA has confirmed that the countdown continues to go well.
NASA said, "The countdown continues to go well for 3:22 pm today. Launch of NASA's SpaceX Demo-2 flight test for the International Space Station.
“At the Kennedy Space Center 39A Launch Complex, the SpaceX Falcon 9 rocket is powered up and the launch team is pressurizing gaseous storage vessels on board. Meanwhile, the Crew Dragon spacecraft is being prepared for NASA astronauts Douglas Hurley and Robert Behnken to embark on the countdown later. "
However, the mood does not look promising for tonight's launch.
NASA added: “Time remains the big issue today; the chance of favorable conditions at launch remains at 50%. "