All the tasks carried out on the boom-arm were simulated, designed to test the platform in case astronauts one day have to make repairs on a shuttle's belly.
The spacewalk, the first of three planned for the mission, lasted about six and a half hours.
It was Fossum's first spacewalk. Sellers did one on a previous shuttle mission, in 2002.
'Big stick'
"Enjoy the view, gentlemen!" Nasa communicator Megan McArthur said from Houston, as the two men stepped through the airlock. BBC |