Home / Companies / European Space Agency (ESA) / Negative Ions at the Lunar Surface Hardware Negative Ions at the Lunar Surface ESA / IRF Sweden ESA-funded NILS (Negative Ions at the Lunar Surface) built by Swedish IRF. CompaniesEuropean Space Agency (ESA)OEMSwedish Institute of Space Physics (IRF) FlightsChang'e-62024-05-03 · CNSA national far-side lunar sample-return via Queqiao-2 relay. Cargo Negative Ions at the Lunar Surface Sourcesesa.int