For the first time since 2011, American astronauts are expected to launch from the Kennedy Space Center in
Florida. SpaceX’s Crew Dragon mission, called Demo-2, is scheduled to lift off May 27 with NASA astronauts Bob
Behnken and Doug Hurley. But as the astronauts enter normal pre-launch quarantine, there are still a few
obstacles to overcome before the historic launch day.
-By Naveen Kumar dwivedi