Home / Jobs / LETS - Linear Energy Transfer Spectrometer Job LETS - Linear Energy Transfer Spectrometer LETS is a NASA Johnson radiation sensor flown on Peregrine Mission One. Themes: Science & sensing · Landers CompaniesNASA FlightsPeregrine Mission One2024-01-08 · First CLPS launch. Cargo Linear Energy Transfer Spectrometer Sourcesscience.nasa.govnasa.gov