Expedition Mars: Spirit & Opportunity brings to life one of the greatest sagas of the Space Age, the epic adventures of Spirit and Opportunity, the rovers that saved NASA's Mars program after a string of failures in the 1990's.
Description：Expedition Mars: Spirit & Opportunity brings to life one of the greatest sagas of the Space Age, the epic adventures of Spirit and Opportunity, the rovers that saved NASA's Mars program after a string of failures in the 1990's.
