Tanner and Stefanyshyn-Piper performs first EVA during STS 115 / Expedition 13 joint operations

S115-E-05554 (12 Sept. 2006) --- Astronauts Joseph R. Tanner (image center) and Heidemarie M. Stefanyshyn-Piper (partially obscured, lower left), both STS-115 mission specialists, participate in the first of three sessions of extravehicular activity (EVA) as construction resumes on the International Space Station.