SpaceX aims for 3rd crew launch hour before Friday's sunrise

In this Wednesday, April 21, 2021 photo provided by NASA, a SpaceX Falcon 9 rocket with the company's Crew Dragon spacecraft onboard sits on the launch pad at Launch Complex 39A at NASA's Kennedy Space Center in Cape Canaveral, Fla., at sunset. NASA astronauts Shane Kimbrough and Megan McArthur, European Space Agency astronaut Thomas Pesquet, and Japan Aerospace Exploration Agency astronaut Akihiko Hoshide are scheduled for a Friday launch. (NASA/Joel Kowsky)