Rocketship X-M

On the first manned mission to the Moon, a spaceship is forced off course and lands on Mars. The crew discovers a barren, radioactive world, home to the remnants of a once great civilization destroyed by atomic war. As they encounter the mutated survivors and face dwindling supplies, they must attempt a perilous journey back to Earth to warn humanity of the dangers of self destruction. Their tragic return proves that interplanetary travel is possible.