So... the number 13 doesn't bother you? Only if it's a Friday...
Reporter: So... the number 13 doesn't bother you?
Fred Haise, Sr.: Only if it's a Friday, Phil.
Reporter: Apollo 13 - lifting off at 1300 hours and 13 minutes, and, entering the moon's gravity on April 13th.
Jim Lovell: Uh, Ken Mattingly has been doing some... scientific experiments regarding that very phenomenon, haven't you?
Ken Mattingly: Well, uh, yes, well I uh, had a black cat walk over a broken mirror under the lunar module ladder, didn't seem to be a problem.
Fred Haise, Sr.: We also consider a real helpful letter we got from a fellow who said we ought to take a pig up with us for good luck.