Airborne Multi-angle SpectroPolarimetric Imager (AirMSPI), Jet Propulsion Laboratory

Hyper-Angular Rainbow Polarimeter (HARP) / Passive Aerosol and Cloud Suite (PACS), University of Maryland, Baltimore County

Research Scanning Polarimeter (RSP), NASA Goddard Institute for Space Studies

Spectropolarimeter for Planetary Exploration (SPEX), Netherlands Institute for Space Research