Indeed -- and the ~5% chance is averaged across all launches (manned and not) across many countries' launch systems. So that shows how "little" the billions of

Indeed -- and the ~5% chance is averaged across all launches (manned and not) across many countries' launch systems. So that shows how "little" the billions of dollars' worth of redundancies and backups actually improved the safety bottom line, and also how far we are willing to go to prevent loss of life.