NASA Photo ID: STS049-81-093 File Name: 10065200.gif Film Type: 70mm CN Date Taken: 05/16/92 Title: STS-49 MS Thornton in OV-105's payload bay during ASEM procedures Description: STS-49 Mission Specialist (MS) Kathryn C. Thornton works a strut into a node ball at the top of the Assembly of Station by Extravehicular Activity (EVA) Methods (ASEM) structure being constructed in Endeavour's, Orbiter Vehicle (OV) 105's, payload bay (PLB). Thornton joins the three struts together as STS-49's fourth period of EVA proceeds. Clouds over the ocean share the background with the remote manipulator system (RMS) end effector. This EVA designed to evaluate ASEM completed a record-setting four sessions of EVA on this nine-day mission.