An astronaut crew of 4 men and a woman are on a mission to go to the moon, but instead of going to the moon they end up being on Mars because of unexpected gravitational forces. Stars Lloyd Bridges, Osa Massen, John Emery, Noah Beery Jr., and Hugh O'Brien, released in 1950.

Dumb.com Backwards Movie Player - Watch A 5 Minute Clip of Rocketship X-M Backwards: