Two astronauts are taking a spacewalk at the International Space Station. (NASA TV)
Spacewalk12
Stephen Bowen and Alvin Drew are installing an extension cable and moving a broken ammonia pump to a better storage location. (NASA TV)
Spacewalk11
Alvin Drew is the 200th human to perform a spacewalk, his first. (NASA TV)
Spacewalk10
This is Steve Bowen’s sixth spacewalk. (NASA TV)
Spacewalk09
The first STS-133 spacewalk began at 10:46 a.m. EST. (NASA TV)
Spacewalk08
This is the 154th spacewalk supporting assembly and maintenance of the space station and the 234th excursion conducted by U.S. astronauts. (NASA TV)
Spacewalk07
This is the last flight for Discovery. (NASA TV)
Spacewalk06
After it returns to Earth, it will be retired and sent to the Smithsonian Institution. (NASA TV)
Spacewalk05
Only two other shuttle missions remain. (NASA TV)
Spacewalk04
The first humanoid robot in space -- Robonaut 2 or R2 for short -- will remain boxed up inside the compartment for another few months. (NASA TV).
Spacewalk03
Beginning in spring or early summer, it will be tested as an astronaut helper. R2 will remain indoors; future versions may venture out on spacewalks. (NASA TV)
