This STS-61 onboard photo depicts Astronaut and mission specialist Kathryn Thornton performing the 2nd extra-vehicular activity (EVA) of the STS-61 mission. Thornton, along with astronaut and mission specialist Thomas Akers (out of frame), performed the task of replacing the solar arrays. The EVA lasted 6 hours and 35 minutes. Launched December 1, 1993 aboard the Space Shuttle Orbiter Endeavor, the STS-61 mission was solely dedicated to servicing the HST.