The younger engineers ar JPL might rather work on Mars 2020: https://www.jpl.nasa.gov/missions/mars-2020/ https://www.jpl.nasa.gov/missions/mars-2020/ One of t

The younger engineers ar JPL might rather work on Mars 2020: https://www.jpl.nasa.gov/missions/mars-2020/ https://www.jpl.nasa.gov/missions/mars-2020/ One of the proposed instruments is a 1kg helicopter. * They have tried to build a pipeline with the Mars exploration missions, in which senior people can move from mission to mission, and younger people can train up on older, mature missions before they move to newer ones. This pipeline did not really exist with the Voyagers.