1. Human Exploration of Mars Design Reference Architecture 5.0 Addendum #2,2014
2. Moon to Mars Objectives,2022
3. Moon to Mars (M2M) Habitation Considerations: A Snap Shot As of January 2022;Harris,2022
4. NASA JSC SMA Flight Safety Office, Significant Incidents & Close Calls in Human Spaceflight,2021
5. Evidence Report: risk of Injury and Compromised Performance due to EVA Operations;Dunn,2022