ISS020-E-038016 (3 Sept. 2009) --- Anchored to a Canadarm2 mobile foot restraint, ESA astronaut Christer Fuglesang, STS-128 mission specialist, participates in the mission's second spacewalk as construction and maintenance continue on the International Space Station. During the six-hour, 39-minute spacewalk, Fuglesang and NASA astronaut John Olivas (out of frame), mission specialist, installed the new Ammonia Tank Assembly on the Port 1 Truss and stowed the empty tank assembly into the Space Shuttle Discovery's cargo bay.