rootbrowseIAC-20A1session 55. Radiation Fields, Effects and Risks in Human Space MissionsPapers2. The Radiation Environment Near the Surface of the Moon: Comparisons between CRaTER Measurements and Multiple Radiation Transport Codes3. A 235 MeV Proton Therapy Medical Cyclotron for radiation research relevant to Human Space Missions in LEO environment4. Identification of novel biomarkers in serum for heavy ion radiation: proteins, miRNAs and tRNA-derived fragments5. Targeting the Medial Prefrontal Cortex to Ameliorate Radiation-Induced Neurobehavioral Deficits6. Characteristics of Changes within the Microbiome and Development of Suitable Countermeasures for Long Duration Spaceflight.7. Van Allen Radiation Belt impact on HeLa cells8. Neutron Fluence and Effective Dose from Galactic Cosmic Rays in a Shielded Environment in Space9. CHARGE and MARE Radiation Protective Equipment Evaluations Updates