The Critical Strategic Importance of Adaptive Optics-Assisted Ground-Based Telescopes for the Success of Future NASA Exoplanet Direct Imaging Missions

We describe how ground-based exoplanet direct imaging - in the next decade with current telescopes and beyond with ELTs, through science programs and technological development — is a key, strategic investment to help ensure the success of future NASA direct imaging missions (i.e. HabEx/LUVOIR).