Complex sentence: The game takes place in the Golgotha Training Base of the Colonial Marines on the Vortigern Sector Perimeter, when a unknown vessel approaches to the base, a Chatterjee Class tug is sent to retrieve it for further examination.
Split into simpler sentences: The game takes place in the Golgotha Training Base of the Colonial Marines on the Vortigern Sector Perimeter. When a unknown vessel approaches to the base, a Chatterjee Class tug is sent to retrieve it for further examination.