There is a shot of the moon appearing in the window of the capsule. Director Al Reinert says there was no shot available of the moon showing in the window of the command module, so a film crew went down to the Johnson Space Center, pasted a photo of the moon on a hatch cover at the museum, and filmed it to illustrate astronaut Ken Mattingly's description of what he saw in his flight. - http://us.imdb.com/title/tt0097372/trivia