He also reviewed records of calls to safety hotlines , submissions to the NASA Safety Reporting System and NASA 's close call and mishap reporting systems for any evidence pointing to astronaut alcohol abuse . NASA conducts internal review ; finds no evidence astronauts were intoxicated . NASA official , ex-astronaut , interviewed 90 people in probe . Comment:
NASA conducts internal review ; finds no evidence astronauts were intoxicated . NASA official , ex-astronaut , interviewed 90 people in probe . Comment: