Complex sentence: Heather returns to New Bern to work on the wind turbines that Jericho needs for power, but is almost killed there and is taken to Camp Liberty, Nebraska: an army camp of the new Allied States of America.
Split into simpler sentences: Heather returns to New Bern to work on the wind turbines that Jericho needs for power. She is almost killed there and then taken to Camp Liberty, Nebraska: an army camp of the new Allied States of America.