In Orbiter Processing Facility bay 3 at NASA's Kennedy Space Center, technicians on a Hyster forklift maneuver space shuttle main engine no. 1 into place on Endeavour. Each space shuttle main engine is 14 feet long, weighs about 6,700 pounds, and is 7.5 feet in diameter at the end of the nozzle. The orbiter is targeted for launch on Feb. 14 for mission STS-123 to the International Space Station. Photo credit: NASA/Jack Pfaller