Daedalus has been
as one of three candidates for ESA's Earth Explorer 10 mission. The other two are HydroTerra (previously named G-Class) and Harmony (previously named Stereoid). Each of these three missions is undergoing phase 0 studies during 2019-2020, covering feasibility and requirements consolidation. Two out of three will be selected to go into phase A studies at the end of 2020. In 2022, one of the missions will be selected for full development, with a launch foreseen around 2027-2028.