Astronauts Thornton and Akers in payload bay during EVA to replace COSTAR

STS061-47-014 (8 Dec 1993) --- Astronaut Kathryn C. Thornton lifts the Corrective Optics Space Telescope Axial Replacement (COSTAR) prior to its installation on the Hubble Space Telescope (HST). Thornton is anchored to a foot restraint on the end of the Remote Manipulator System (RMS) arm. Astronaut Thomas D. Akers, who assisted in the COSTAR installation, is at lower left.