Whitepaper #204 in the Decadal Survey for Solar and Space Physics (Heliophysics) 2024-2033. Main topics: infrastructure/workforce/other programmatic. Additional topics: research tools and infrastructure.
Heliophysics has entered an era in which the nature of our science questions has outpaced the ability of our mission opportunities to adequately address them. We argue that our discipline needs a new PI-led mission element, called HelioProbes, with a ~$500M–$1B (FY22) cost cap that would fill the capability gap between MIDEX ($250M, FY20) and Flagship (~>$1B)