May 22, 1969 –
The lunar module of Apollo 10 (named Snoopy, with Thomas P. Stafford and Eugene A. Cernan aboard) separated from the command module, on this date, (named Charlie Brown piloted by John W. Young) and flew to within nine miles of the Moon’s surface in a dress rehearsal for the first lunar landing.
Later that day, a disaster was averted after the Lunar Module separated from the descent stage began to roll violently due to the crew accidentally duplicating commands into the flight computer. Quick action by the crew saved them from crashing into the Moon (on live TV, no less.)
The Haus of Dcaligari 