关于这张图
S124-E-007733 (7 June 2008) --- Astronaut Ron Garan, STS-124 mission specialist, goes over a checklist while preparing for the third and final session of extravehicular activity (EVA) scheduled for the following day. Astronauts Garan and Mike Fossum (out of frame) have already successfully completed two spacewalks to complete a variety of tasks.
