STS-133 and Expedition 26 crew enter PMM (Permanent Multipurpose Module)

S133-E-007889 (1 March 2011) --- NASA astronauts Alvin Drew (left) and Nicole Stott (center), both STS-133 mission specialists; along with NASA astronaut Cady Coleman and Russian cosmonauts Oleg Skripochka and Alexander Kaleri (mostly out of frame at top), all Expedition 26 flight engineers, are pictured in the newly-installed Permanent Multipurpose Module (PMM) of the International Space Station while space shuttle Discovery remains docked with the station. Photo credit: NASA or National Aeronautics and Space Administration