> "But the biggest risk is staying home and not trying." Hope NASA understands that well as organization. Yes, we're right to expect - and work for - much saf

> "But the biggest risk is staying home and not trying." Hope NASA understands that well as organization. Yes, we're right to expect - and work for - much safer spaceflights environments than e.g. 1960-s. At the same time after setting safety goal and achieving that, we ought to fly.