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Two astronauts completed the second spacewalk of U.S. space shuttle Discovery's STS-120 mission on Sunday, preparing a major International Space Station truss for relocation, according to NASA TV.
Discovery mission specialist Scott Parazynski and ISS Expedition 16 Flight Engineer Daniel Tani successfully prepared the P6 truss for its relocation during the excursion, which ended at 12:05 p.m. EDT (1605 GMT).
The duo began the spacewalk heading to the section outside the station where the P6 truss was attached to the Z1 truss. Once there they disconnected the umbilicals and bolts holding the trusses together.
"Don't drop it," one of the spacewalkers joked as crewmates inside the station hauled P6 truss away with the station's robotic arm.
The P6 truss will be reattached to the port-most edge of the ISS during a planned Tuesday spacewalk after a delicate ballet that required handing the 10.6-meter long girder off between the ISS and the shuttle robotic arms twice on Monday.
During the 6 hours and 33 minutes excursion, Tani also performed a couple of inspections. This is the second of a record-tying five excursions planned during Discovery's construction mission to ISS. The next spacewalk is scheduled to take place Tuesday.
Editor: 鍚撮毤
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