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

S133-E-007898 (1 March 2011) --- NASA astronauts Scott Kelly (center), Expedition 26 commander; and Eric Boe (right), STS-133 pilot; along with European Space Agency astronaut Paolo Nespoli, Expedition 26 flight engineer, 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