Jett and Reiter close the hatch in the Air Lock during Expedition 13 / STS-115 Joint Operations

S115-E-06100 (15 Sept. 2006)--- Astronauts Brent W. Jett (left), STS-115 commander, and Thomas Reiter representing the European Space Agency, close the hatch to the airlock where astronauts Joseph R. Tanner and Heidemarie M. Stefanyshyn-Piper are preparing for the third and final of three spacewalks this week on the International Space Station.