Reverse-engineering the Apollo spacecraft's FM radio
Apollo 13: 'Houston, We've Had a Problem' - YouTube
Apollo 13 Flight Journal - Day 3, part 2: 'Houston, we've had a problem'
Engineering The Communications System For Apollo 11 - General Dynamics
Reverse-engineering the Apollo spacecraft's FM radio
File:Apollo 13 - HAL.png - Wikimedia Commons
Apollo 13 Real-time
Apollo 13: An Accident in Space | The New Yorker
Plan & Book- EVA Choices_Houston - EVA Air | North America (English)
Apollo 13's Lifeboat Fifty Years On: Remembering Grumman's Lunar Module and Program Director Joe Gavin | Andrew S. Erickson
From the Archives, 1970: Weak signals from Apollo 13
Talking with the Moon: Inside Apollo's premodulation processor
ARIA 4 - Apollo 13 story
Apollo 13 Flight Journal - Day 1, part 4: Settling down for the Flight
How Mission Control saved Apollo 13 | BBC Sky at Night Magazine
13 MORE Things That Saved Apollo 13, part 6: The Mysterious Longer-Than-Expected Communications Blackout - Universe Today
Apollo 13 Flight Journal - Day 3, part 4: Free Return
Apollo 13 - Wikipedia
APOLLO13 COMMAND MODULE H2/O2 FANS QUAD SWITCH PANEL | Concord Aerospace
Design Your Culture, Apollo 13 Style — A Human Workplace
Members of Apollo 13 Team Reflect on 'NASA's Finest Hour' | NASA
