NASA's Commercial Satellite Data Acquisition (CSDA) program, in conjunction with the European Space Agency (ESA) and the U.S. Geological Survey (USGS), has released the Joint Earth Observation Mission Quality Assessment Framework – Optical Guidelines . Created for the benefit of the Earthnet Data Assessment Project (EDAP) and the CSDA program as part of a collaboration between ESA and NASA, the document presents the methodology the agencies use to assess the quality of optical data from commercial satellite data providers. Released on April 26, 2026, the Optical Guidelines document provides specific guidelines for the mission quality assessment of optical sensors as part of the implementation of the generic Earth Observation (EO) mission quality assessment for the optical domain.…