The NASA Headquarters has posted a grant opportunity titled "ROSES 2023: D.18 XRISM General Observer - Cycle 1". This grant is in the category of Science and Technology and other Research and Development. The grant does not require cost sharing or matching. The grant is open to eligible applicants, which include organizations affiliated with U.S. institutions. The grant is for the XRISM General Observer program, specifically for Cycle 1. The program is seeking proposals that justify the science case given the closed Gate Valve and shift in energy band of the Resolve instrument. The due date for Type-1 (Phase-1) observing proposals is April 4, 2024, and they must be submitted via ARK/RPS by 4:30 pm eastern time. Type-2 proposals must be submitted via NSPIRES by 11:59 pm eastern time on the same date. The grant provides funding for research and technology in space and Earth sciences supported by the NASA Science Mission Directorate. For more information and to access the full text of the announcement, please visit the following link: ROSES 2023 Grant Announcement. For any questions or inquiries, please contact Sanaz Vahidinia, Astrophysics Division, Science Mission Directorate, NASA Headquarters, at 202-510-1982 or sanaz.vahidinia@nasa.gov.