The Colonial Space Marines are an armada of a balanced force of combat Assault and support elements allowing for orbital assault and sustained ground operations. CSM are given the primary responsibility of security, colonization, and exploration.
explore, colonize, and rage war
After the siege of Tiber in 2732, many survivors viewed the UEE defense as a military failure.
The survivors from Tiber declared that all of the future descendants were responsible for the recolonization of the homeland and the defense of independent territories.
During the 214 years, the Colonials became independent military nations.
In 2946 article IV of the Colonial War act was activated after many years of skirmishes with the Vanduul. Operation Tartarus was initiated and veteran pilots of the 177th special operation unit of the Colonial Space Marines. engaged in an all-out war to retake the homeworld. Many veteran pilots named it, Tartarus because going there, was like going through the gates of the underworld. And many drop shock troopers died in the initial raid to retake Tiber 1. only 10% of the drop shock troopers survived the drop in orbit and planetary deployment. as so many troopers fell in combat during the initial raid. it was determined that outlining systems would need to be retaken in order to retake the Tyber system.After decades of war, so many planets were ravaged and decimated and fell to the Vanduul.
p. The —colonists— created the Colonial protection act of 2946, which states any colonial outpost or planet with an alliance to CSM will be under their protection from hostile alien threats. This was a pre-emptive measure to protect the independent colonial outpost or small galactic nation that the UEE deemed not a priority or strategic.
The main operation of CSM is to retake Tiber and its surroundings back from the Vanduul. In an all-out war, Independent from the use. Welcoming any outside forces willing to retake their homeworlds
CSM lore -Work in progress