Fisher Space Pen
While it might sound insignificant, a failing ink pen can be a serious problem in situations where documentation and record-keeping are essential.
Rest easy with a Fisher Space Pen in the cockpit. As the name applies, the pen is pressurized to operate in zero- and negative-gravity situations at any angle, even upside down. The pen is so dependable it’s been on every manned U.S. space flight since 1956.