Amendment 38: New Opportunity in C.24 Gravity/Radio Science Team for the Europa Clipper Mission The objectives of the Gravity/Radio Science Team for the Europa Clipper Mission are 1) add new members to the Europa Clipper science team with expertise in gravity, radio science, and/or similar investigations to the Europa Clipper science team; and 2) expand science community participation on the existing Europa Clipper science team. The program will select a Lead Scientist and Co-Investigators (Co-Is) to populate the Clipper G/RS team. Three types of proposals are permitted under this program element: 1) proposals to serve as the Lead Scientist for the G/RS team that describe the offeror’s leadership abilities; 2) proposals to serve as a Co-I on the G/RS team that describe a science investigation; and 3) proposals to serve as a Co-I on the G/RS team focused on leading the data archiving effort for the G/RS team. A Notice of Intent (NOI) is mandatory for all proposers. Mandatory NOIs are due by October 21, 2019. Proposals to be Lead Scientist are due November 6, 2019 and proposals to be a team member are due December 13, 2019. Questions concerning this program element may be directed to Curt Niebur at curt.niebur@nasa.gov. | 