Pilot who is hospitalized parachuted to the ground . NASA 's administrator says death of pilot felt by all who devoted lives to exploration . Both pilots worked for Virgin Galactic 's partner , Scaled Composites . Comment:
Pilot who is hospitalized parachuted to the ground . NASA 's administrator says death of pilot felt by all who devoted lives to exploration . Both pilots worked for Virgin Galactic 's partner , Scaled Composites . One pilot died , and one is seriously injured , officials say .