During the heat of the space race in the 1960's, the U.S. National Aeronautics and Space Administration (NASA) decided it needed a ballpoint pen to write in the zero gravity confines of its space capsules. After considerable research and development, the Astronaut Pen was developed at a cost of about $1,000,000(US).

The pen worked well and also enjoyed some modest success as a novelty item back here on Earth.

The Soviet Union, faced with the same problem, used a pencil