The hatch of the Permanent Multipurpose Module PMM is closed in preparation for space shuttle Discovery's STS-133 mission to the International Space Station.

Inside the Space Station Processing Facility at NASA's Kennedy Space Center in Florida, the hatch of the Permanent Multipurpose Module (PMM) is closed in preparation for space shuttle Discovery's STS-133 mission to the International Space Station.

Robonaut 2 (R2) and critical spare parts are packed inside the PMM, which will be left aboard the station on Discovery's final mission. Targeted to launch Nov. 1 at 4:40 p.m. EDT, Discovery and its crew also will carry Express Logistics Carrier-4 (ELC-4), which is filled with external payloads and experiments. For more information visit, www.nasa.gov/shuttle. Photo credit: NASA/Jim Grossmann