The Atlas V launch vehicle carrying the Mars Reconnaissance Orbiter, MRO, lifts off the launch pad at Cape Canaveral Air Force Station in Cape Canaveral, Fla. Friday, Aug. 12, 2005. Circling the planet for at least four years, the orbiter is to provide unparalleled information on Mars' weather, climate and geology, which could aid possible future human exploration of the Red Planet. (AP Photo/Peter Cosgrove)
