Video: Expedition 50 spacewalk highlights

Two astronauts floated outside the International Space Station Thursday and installed two new cameras on the front of the lab complex that will provide views of commercial crew ships during final approach and docking. The spacewalkers also replaced a faulty high-definition camera and closed a door that was jammed open on an external instrument.

Two cosmonauts ventured outside the International Space Station, jettisoning three no-longer-needed components and carrying out a photo survey of the Russian segment of the lab complex in the seventh and final spacewalk planned by the station crew this year.

Four days after a picture-perfect blastoff from southern Japan, a cargo-carrying supply freighter arrived at the International Space Station on Tuesday with 4.5 tons of equipment, food, clothing and experiments.