With the GSA Agency, with the necessary missions, to orbit all the bodies of the Inner Solar System (Mercury, Venus, Earth, Moon and Mars) before 1964 (take screenshot of each mission)
Won the best date.
In case of ties, win who first indicates the best date.
The challenges are posted on the Slitherine forums, Steam forums, Punta de Lanza forums and Twitter.
Remember that you will be immortalized in the Hall of Fame.