A week of rocket launches: SpaceX and Boeing each prepare for high-stakes flights to space

Boeing and SpaceX are each set to launch their rockets and spacecraft on crucial flights to space. Boeing will try to launch NASA astronauts, and SpaceX will test its Starship megarocket. Boeing and SpaceX are each set to launch their rockets and spacecraft on crucial flights to space. Boeing will try to launch NASA astronauts, and SpaceX will test its Starship megarocket.  NBC News Science