Mission Specialists Mario Runco and Greg Harbaugh suiting up for EVA.

STS054-47-017 (13-19 Jan 1993) --- The three STS-54 mission specialists who were involved in the four-plus hours extravehicular activity (EVA) pose on Endeavour's mid deck. Astronaut Susan J. Helms, who remained in cabin and communicated with the two space walkers, shares this scene with them -- Gregory J. Harbaugh, left, and Mario Runco Jr. This scene, photographed prior to the EVA, shows the pair partially suited for their EVA session. The special pole system to aid in emergency evacuation is in the upper portion of the frame.