This photo provides a partial view of STS-125 Mission Specialist 4 (MS4) Mike Massimino as he exits the airlock hatch during egress procedures for the fourth session of extravehicular activity (EVA4). MS1 Michael Good is visible already outside of the hatch.
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<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/nasahubble/28075653142/">STS-125 MS4 Massimino Exits the Airlock for EVA4</a>