NASA's Marshall Space Flight Center (MSFC) and Jet Propulsion Laboratory (JPL) are jointly developing this mission with support from NASA's Goddard Space Flight Center, Lyndon B. Johnson Space Center, Langley Research Center, and NASA Headquarters.[1] The Principal Investigator (science) is Julie Castillo-Rogez from NASA's JPL. The Principal Investigator (solar sail) is Les Johnson from NASA MSFC.