Space Shuttle Mission: STS-133

Technicians apply foam to the external tank.

Image above: Technicians spray foam insulation on a section of repaired stringers on space shuttle
Discovery's external fuel tank. Photo credit:

During space shuttle Discovery's final spaceflight, the STS-133 crew members will take important spare parts to the International Space Station along with the Express Logistics Carrier-4. Discovery has been moved to Launch Pad 39A at NASA's Kennedy Space Center in Florida.

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