"Houston, we have a problem" harbingered one of the most important rescues of the last century - the near fatal disaster aboard Apollo 13. In the movie Apollo 13, NASA flight director Gene Krantz must bring order to the scientists and engineers in the Houston Flight Center, who are reacting to a flood of negative information about Apollo 13. As portrayed by Ed Harris, Gene Krantz demands that his staff "work the problem" and avoid simply guessing.