2 ms·

I've heard interviews with engineers looking back where some say it was 2/3 and some say 1/2. Then again, there are plenty of quotes from NASA engineers descri

I've heard interviews with engineers looking back where some say it was 2/3 and some say 1/2. Then again, there are plenty of quotes from NASA engineers describing the 1/10,000 per flight expected fatalities of shuttle as being ridiculously pessimistic, so clearly this is hard to estimate.

HPsquared 4y ago
These types of calculations tend to suffer from the "unknown unknowns" side of things. The number only includes "known unknowns".