Pioneer 0 was the world's first attempt to launch a probe out of Earth's orbit.
There were 18 spacecraft in the Pioneer Series.
The Pioneer missions to the Moon were only a small part of the program. Most spacecraft bearing the Pioneer name explored the solar system.
Engineers painted dark and light stripes on the spacecraft to help control its temperature.
This was first attempted deep space launch by any country. It was launched by the U.S. Air Force.
Engineers painted a pattern of dark and light stripes on the spacecrafts outer surface to regulate internal temperature.
The mission has been retroactively known as Pioneer 0.