Amendment 18: Heliophysics U.S. Participating Investigator Final Text and Due Dates

B.13 The Heliophysics U.S. Participating Investigator (H-USPI) solicits potential Heliophysics investigations in which investigators participate as a Co-Investigator (Co-I) for an instrument, experiment, or technology demonstration that is being built and flown by a sponsor agency other than NASA. A proposed investigation as an H-USPI on a non-NASA mission or instrument may take any form that clearly and demonstrably enhances the scientific output of the mission, benefits the U.S. scientific community, and enables the U.S. heliophysics science community access to a highly valued scientific data set.

ROSES-2024 Amendment 18 releases final text and due dates for B.13 H-USPI. Step-1 Proposals are due January 29, 2025, and Step-2 Proposals are due April 9, 2025.

On or about May 23, 2024, this Amendment to the NASA Research Announcement "Research Opportunities in Space and Earth Sciences (ROSES) 2024" (NNH24ZDA001N) will be posted on the NASA research opportunity homepage at

Questions concerning B.13 H-USPI may be directed to Simon Plunkett at

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