Complex sentence: Amidst the chaos Levy and Hicks fight their way until they finally arrive at a communications relay station and manage to send part of Hicks's distress call, which is picked up by the US Colonial Marines 2 days later.
Split into simpler sentences: Amidst the chaos Levy and Hicks fight their way until they finally arrive at a communications relay station and manage to send part of Hicks's distress call. But the message is picked up by the US Colonial Marines 2 days later.