One accident per 271,199,439 miles traveled seems pretty damn safe, applying the same standard used for other methods of travel. https://www3.nasa.gov/centers/

One accident per 271,199,439 miles traveled seems pretty damn safe, applying the same standard used for other methods of travel. https://www3.nasa.gov/centers/kennedy/pdf/566250main_SHUTTLE%20ERA%20FACTS_040412.pdf https://www3.nasa.gov/centers/kennedy/pdf/566250main_SHUTTLE...