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iss063e033414 (June 26, 2020) --- NASA astronaut Bob Behnken (at left) is pictured during a spacewalk to swap batteries and upgrade power systems on the International Space Station's Starboard-6 truss structure. Pictured at lower right, is an external pallet, gripped by the Canadarm2 robotic arm, that housed the batteries replaced on the orbiting lab. Behnken was joined during the six-hour and seven-minute excursion by NASA astronaut Chris Cassidy (out of frame).
