Unlucky Apollo 13 was launched from KSC on April 11, 1970. Liftoff occurred at 2:13 pm EST, which, auspiciously, was 13:13 CST at MSC in Houston. For the superstitious among us, this in-your-face planning by NASA could only bode ill for the mission. The remarkable journey of Apollo 13 has been documented in print and, most famously, the motion picture starring Tom Hanks. Since most of us know the overall story, we will focus here on the notable aspects and perhaps lesser-known but still interesting details. The third manned lunar landing mission was targeted for the Fra Mauro feature, near...