The crew of STS-115 exits the Operations & Checkout Building to board the Astrovan for the 20 minute ride to the launch pad. Right to left are Commander Brent Jett; Mission Specialist Dan Burbank; Pilot Chris Ferguson; and Mission Specialists Joe Tanner (head visible only); Steve MacLean of the Canadian Space Agency; and Heidemarie Stefanyshyn-Piper.

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