The only fun fact about Apollo 13's dramatic failure is this invoice

I didn't know about this fun factoid: On April, 1970, the Grumman Aerospace Corporation—manufacturers of the Lunar Module—sent a $312,421.24 bill to North American Rockwell—who made the service module that malfunctioned in the Apollo 13 mission—for towing services. Why, you ask? Here's the story. »2/16/15 3:12pm2/16/15 3:12pm