Expedition 45 commander Scott Kelly and flight engineer Kjell Lindgren are readying equipment and reviewing procedures for a planned six-and-a-half-hour spacewalk Wednesday outside the International Space Station.
The major goals of the excursion are to lubricate the snare mechanism on one end of the lab’s robot arm; to install insulation on a high-energy physics experiment; to remove insulation from a stowed electrical distribution box; and to lay power and data cables needed by a new docking mechanism that will be installed later for use by new commercial crew ferry craft.
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