The Space Warriors are an eco-terrorist organization led by Twinkle Maria Murdock that attempt to infect the moon of Ganymede with a genetic-altering virus in Session 4: Gateway Shuffle.
The Space Warriors also used to be a good group of preservationists who helped to make the star system a better place, until Twinkle Maria Murdock took over the role as leader.
Trivia
In order to disguise themselves, they wear masks bearing the likeness of the Ganymede Sea Rat.