Operation ThunderShock

Operation ThunderShock was a first attempt to wipe out humans. Gems were not discovered yet. It took place on what's now known as Blood Moon in Blood Space. The stalkers Dropped a bomb so deadly it killed all the humans and stalker on the planet and even vaporized some stalker spacecraft on exit. It obliterated the moon which now stands as an unstable landmark harvested for energy. It also could explode any minute now due to the unstableness of the moon's core

.