STS-72 Mission Specialist Winston Scott (EV3) conducts Detailed Test Ojective (DTO) 833 - Extravehicular Mobility Unit (EMU) Thermal Comfort standing on the Spartan Flight Support Structure (SFSS) during second extravehicular activity (EVA) of mission (001-5). Mission Specialist Leroy Chiao (EV1) comes up close to aft flight deck windows after completion of payload bay EVA activities (006-15). Scott up close to the aft flight deck windows (016-32).