Heliophysics Mission of Opportunity (MO) under the Solar Terrestrial Probes Program
The Heliophysics STP MO that was originally planned for release in 2017 has been subsumed by the
2018 Heliophysics Science MO. A Draft PEA for the 2018 Heliophysics Science MO was released on May 3, 2018.
For more information on the Heliophysics Science MO, please visit
https://soma.larc.nasa.gov/2018HelioMO/.