Marilyn Lovell, wife of Apollo 13 commander Jim Lovell, reads a newspaper at home, April 1970. The newspaper headline in her lap, from the Houston Chronicle: "3 Astronauts Lives Hang on LM; Chance of Safe Return 'Excellent.'" (Bill EppridgeTime & Life Pictures/Getty Images)
A hand-written note from astronaut James Lovell to his family, promising to take them on vacations to Acapulco and Aspen, 1970. (Bill EppridgeTime & Life Pictures/Getty Images)
Marilyn Lovell, wife of astronaut Jim Lovell, on the phone during the Apollo 13 crisis, April 1970. (Bill EppridgeTime & Life Pictures/Getty Images)
From left: Astronauts Pete Conrad and Buzz Aldrin; James Lovell's mother, Blanch; Barbara Lovell (chin in hand); Neil Armstrong (standing); Jeffrey, Marilyn and Susan Lovell, all watching TV at the Lovell home during the Apollo 13 crisis, April 1970. (Bill EppridgeTime & Life Pictures/Getty Images)
After splashdown, Marilyn Lovell hugs her 4-year-old son Jeffrey. 'It was the most beautiful sight I've seen in my whole life.'" (Bill EppridgeTime & Life Pictures/Getty Images)