Home / Companies / NASA / Radiation spectrometer Hardware Radiation spectrometer NASA JPL A spectrometer on the MoonFall drones to measure the radiation environment for later crew. CompaniesNASAOEM FlightsMoonFallNET 2028 · NASA JPL MoonFall sends four propulsive hop drones to the south pole in 2028. Cargo Radiation spectrometer (MoonFall) Sourcesjpl.nasa.gov