In partnership with NASA, Ball Aerospace is demonstrating the operational Landsat program's next generation technology, having successfully completed the final airborne science flights of two compact, well-calibrated NASA Sustainable Land Imaging (SLI) instruments – the Reduced Envelope Multispectral Imager - Airborne (REMI-AB) and the Compact Hyperspectral Prism Spectrometer - Airborne (CHPS-AB).