The NASA Earth science flight program is a dynamic undertaking consisting of a large fleet of operating satellites, an array of satellite and instrument projects, a robust airborne science program which advances the use of satellite data, and a massive data archiving and distribution system. NASA’s fleet of 23 operating missions provides a wide range of scientific measurements obtained from dedicated Earth science satellites and the ISS. Projects in development are include both directed missions and competitively selected Principal Investigator-led missions. The Earth science flight program benefits from investments by the Earth Science Technology Office (ESTO) to develop and demonstrate cutting-edge technologies that can be applied to future NASA Earth science measurements/missions. In addition, the NASA Earth science future portfolio will be evolving in response to the 2017 National Academies of Science Earth Science Decadal Survey. A limited number of box lunches will be provided by Northrop Grumman.