Dr. Ashok Narayanamoorthi was a graduate of Class 1801 Scientist-Astronaut program of project PoSSUM (Polar Suborbital Science in the Upper Mesosphere) which is the world’s first and only crewed suborbital research program supported by NASA’s Flight Opportunities Program. Dr. Ashok successfully completed the rotation at the Mars Desert Research Station (MDRS), Utah, USA as Crew Flight Surgeon/Health & Safety Officer for Crew 192. Dr. Ashok is an analog astronaut with Mars Academy USA. He recently completed the rotation with MAUCrew1115 as Health & Safety Officer at Vasquez Rocks, California, USA. Dr. Ashok is the first and only Indian Citizen selected as candidate for Project SIRIUS (Scientific International Research In the Unique terrestrial Station). This is launched by Russia’s Institute for Biomedical Problems (IBMP) in collaboration with NASA’s Human Research Program (HRP) along with other space agencies like ROSCOSMOS, CNES, DLR, etc. This program simulates the future Lunar Orbital Gateway platform.