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S119-E-006819 (21 March 2009) --- Astronaut Joseph Acaba, STS-119 mission specialist, participates in the mission's second scheduled session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the six-hour, 30-minute spacewalk Acaba and astronaut Steve Swanson (out of frame), mission specialist, prepared a worksite so the STS-127 spacewalkers can more easily change out the Port 6 truss batteries later this year. On the Japanese Kibo laboratory they installed a second Global Positioning Satellite antenna that will be used for the …
