1. The Aerospace Corporation El Segundo CA USA
2. Space Science Center University of New Hampshire Durham NH USA
3. Leidos Innovations Corporation Houston TX USA
4. Harvard‐Smithsonian Center for Astrophysics Cambridge MA USA
5. BWX Technologies, Inc. Washington DC
6. Department of Climate and Space Sciences and Engineering University of Michigan Ann Arbor MI USA
7. Department of Nuclear Engineering University of Tennessee Knoxville TN USA
8. NASA Goddard Space Flight Center Greenbelt MD USA