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CAPE CANAVERAL, Fla. -- STS-134 Pilot Greg H. Johnson talks to media as the space shuttle that will take Johnson and his crewmates to the International Space Station slowly rolls past. Endeavour began its move from High Bay 3 in the Vehicle Assembly Building to Launch Pad 39A at NASA's Kennedy Space Center in Florida at 7:56 p.m. EST. The 3.4-mile trek, known as "rollout," will take about seven hours to complete. This is the final scheduled rollout for Endeavour, which is attached to its external fuel tank and solid rocket boosters atop a crawler-transporter. STS-134 crew members will deliver the Express Logistics Carrier-3, Alpha Magnetic Spectrometer-2 (AMS), a high-pressure gas tank, additional spare parts for the Dextre robotic helper and micrometeoroid debris shields to the orbiting outpost on the shuttle's final spaceflight. Launch is targeted for April 19 at 7:48 p.m. EDT. For more information visit, www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Debbie Odom