An Atlas V rocket with NASA's Perseverance rover stands ready for launch tomorrow morning at pad 41 at Cape Canaveral Air Force Station. As the key component of the Mars 2020 mission, Perseverance is scheduled to land on the Red Planet in February 2021 where it will seek signs of ancient life and collect rock and soil samples for possible return to Earth. - Paul Hennessy / SOPA Images//SOPAIMAGES_SOPA0167/2007301126