In this image obtained from NASA, astronaut Tom Marshburn begins work on installing video cameras during the Endeavour crew's fifth and final space walk of the shuttle Endeavour's mission to complete the International Space Station.The final spacewalk is expected to run about six and a half hours.
Astronaut Christopher Cassidy (centre) is watched by Tom Marshburn just after coming out of the air lock during the Endeavour crew's fourth space walk. Two astronauts will venture into open space again Monday on a fifth and final spacewalk of the shuttle Endeavour's mission to complete the International Space Station.
Astronaut Christopher Cassidy (centre) is watched by Tom Marshburn just after coming out of the air lock during the Endeavour crew's fourth space walk. Two astronauts will venture into open space again Monday on a fifth and final spacewalk of the shuttle Endeavour's mission to complete the International Space Station.