In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, a technician oversees the movement of space shuttle Endeavour's external fuel tank as it is lowered onto the mobile launcher platform. Endeavour will deliver the Japanese Experiment Module's Experiment Logistics Module-Exposed Section, or ELM-ES, to the International Space Station on STS-127. Launch is targeted for mid-June 2009. Photo credit: NASA/Jim Grossmann