Pathfinder is displayed mounted on an External Tank in a slightly angled position. It is the only full stack Space Shuttle display in the US. Pathfinder, however, is slightly shorter than the prototype. Originally created as a 'size-weight' analog to test cranes and ground support equipment at Marshal Space Flight Center, it was 'dressed up' for a trip to and display in Japan.It was given the honorary designation 'OV-098' after its retirement.
*OV-098 is an unofficial and retroactive designation