As hinted in the final scene of season 2 Mars will be the central stage in season 3 of the show. Recently released season 3 trailer shows that the Soviets and US are joined by a private company Helios for a three way race to Mars in 1995. Here you can watch the trailer and see some screenshots from it. The season 3 will start airing in June 10 on Apple TV+.
Helios' Mars mobile habitat:
3 rivals racing for Mars in season 3 of For All Mankind TV series:
NASA's spaceship arriving to Mars:
For All Mankind is an alternate history sci-fi TV series exploring the idea of never ending space race if Soviets would have beaten US in the race for the Moon. In first two seasons of the show the focus was the Moon: 

Swedish digital artist 