Rocketship X-M

The crew of Rocketship X-M blasts off on mankind's first mission to the Moon. During the flight, the ship suffers a malfunction that sends it off course. The crew winds up on the planet Mars, where they discover remnants of an ancient civilization wiped out in an atomic war. The survivors are nothing more than barbarians determined to kill the X-M crew. Can the astronauts repair their damaged rocketship and save themselves?