Marooned [1969] - DVD movie

They are trapped in a spaceship with no power. Outside there is no air and no heat. Earth spins 200 miles below. Three astronauts face a desperate situation in this spell-binding science fiction cliffhanger. After completing a daring mission in space, the three-man spaceship Ironman One orbits Earth preparing for re-entry. But a retro-rocket misfires, and the crew commander Jim Pruett , scientist-astronaut Clayton Stone and pilot Buzz Lloyd are marooned in space. Back on Earth, Charles Keith , chief of the manned space program, and senior astronaut Ted Dougherty plan an incredible rescue - while the whole world waits anxiously.