Science Objectives for a Soft X-ray Mission

David G Sibeck, NASA/GSFC, Greenbelt, United States, Hyunju KIM Connor, NASA Goddard Space Flight Center, Greenbelt, MD, United States, Michael R Collier, NASA/GSFC, Greenbelt, MD, United States, Yaireska M Collado-Vega, NASA Goddard Space Flight Center, Moon to Mars Space Weather Analysis Office, Greenbelt, MD, United States and Brian Walsh, Boston University, Center for Space Physics, Boston, MA, United States