January 4, 20215 yr Mars Odyssey Release 74 includes new GRS data. The new Raw data (EDR), Derived Neutron Data (DND), and Derived HEND Data (DHD) products cover the period April 1 through June 30, 2020. The new Averaged Neutron Data (AND) and Averaged HEND Data (AHD) products cover the period April 9, 2020 to June 23, 2020, which is Ls=180 to 225 in Odyssey mapping year 10. The data are online at the PDS Geosciences Node at http://pds-geosciences.wustl.edu/missions/odyssey/grs.html.