Lindsey beside hatch to PMM (Permanent Multipurpose Module)

S133-E-007799 (1 March 2011) --- NASA astronaut Steve Lindsey, STS-133 commander, is pictured at the hatch of the Earth-facing port of the International Space Station’s Unity node while space shuttle Discovery remains docked with the station. On the other side of the hatch door is the newly-installed Permanent Multipurpose Module (PMM). Photo credit: NASA or National Aeronautics and Space Administration