CAPE CANAVERAL, Fla. – At NASA's Kennedy Space Center in Florida, external fuel tank ET-131 moves toward the Vehicle Assembly Building. The tank, which will be used on the STS-127 mission, will be moved to a high bay for checkout. The Japanese Experiment Module's Experiment Logistics Module-Exposed Section, or ELM-ES, is part of the payload on the STS-127 mission, targeted for launch in June. Photo credit: NASA/Tim Jacobs

CAPE CANAVERAL, Fla. – At NASA's Kennedy Space Center in Florida, external fuel tank ET-131 moves toward the Vehicle Assembly Building. The tank, which will be used on the STS-127 mission, will be transported to a high bay for checkout. The Japanese Experiment Module's Experiment Logistics Module-Exposed Section, or ELM-ES, is part of the payload on the STS-127 mission, targeted for launch in June. Photo credit: NASA/Tim Jacobs

CAPE CANAVERAL, Fla. – At the turn basin at NASA's Kennedy Space Center in Florida, external fuel tank ET-131 has been moved out of the Pegasus barge. The tank, which will be used on the STS-127 mission, will be transported to a high bay in the Vehicle Assembly Building for checkout. The Japanese Experiment Module's Experiment Logistics Module-Exposed Section, or ELM-ES, is part of the payload on the STS-127 mission, targeted for launch in June. Photo credit: NASA/Tim Jacobs

CAPE CANAVERAL, Fla. – At NASA's Kennedy Space Center in Florida, external fuel tank ET-131 moves from the turn basis to the Vehicle Assembly Building, behind it. The tank, which will be used on the STS-127 mission, will be transported to a high bay for checkout. The Japanese Experiment Module's Experiment Logistics Module-Exposed Section, or ELM-ES, is part of the payload on the STS-127 mission, targeted for launch in June. Photo credit: NASA/Tim Jacobs

CAPE CANAVERAL, Fla. – At the turn basin at NASA's Kennedy Space Center in Florida, external fuel tank ET-131 is moved out of the Pegasus barge. The tank, which will be used on the STS-127 mission, will be transported to a high bay in the Vehicle Assembly Building for checkout. The Japanese Experiment Module's Experiment Logistics Module-Exposed Section, or ELM-ES, is part of the payload on the STS-127 mission, targeted for launch in June. Photo credit: NASA/Tim Jacobs

CAPE CANAVERAL, Fla. – At the turn basin at NASA's Kennedy Space Center in Florida, external fuel tank ET-131 is moved out of the Pegasus barge. The tank, which will be used on the STS-127 mission, will be transported to a high bay in the Vehicle Assembly Building for checkout. The Japanese Experiment Module's Experiment Logistics Module-Exposed Section, or ELM-ES, is part of the payload on the STS-127 mission, targeted for launch in June. Photo credit: NASA/Tim Jacobs

CAPE CANAVERAL, Fla. – At NASA's Kennedy Space Center in Florida, tugboats maneuver the Pegasus barge toward the dock. Pegasus holds the external fuel tank ET-131. The tank will be taken off and moved to the Vehicle Assembly Building. ET-131 will be used on space shuttle Endeavour's STS-127 mission. The Japanese Experiment Module's Experiment Logistics Module-Exposed Section, or ELM-ES, is part of the payload on the STS-127 mission, targeted for launch in June. Photo credit: NASA/Tim Jacobs

CAPE CANAVERAL, Fla. – At NASA's Kennedy Space Center in Florida, external fuel tank ET-131 moves into the transfer aisle of the Vehicle Assembly Building. The tank, which will be used on the STS-127 mission, will be lifted into a high bay for checkout. The Japanese Experiment Module's Experiment Logistics Module-Exposed Section, or ELM-ES, is part of the payload on the STS-127 mission, targeted for launch in June. Photo credit: NASA/Tim Jacobs

CAPE CANAVERAL, Fla. – At NASA's Kennedy Space Center in Florida, the Pegasus barge has docked at the turn basin. Pegasus holds the external fuel tank ET-131. The tank will be taken off and moved to the Vehicle Assembly Building. ET-131 will be used on space shuttle Endeavour's STS-127 mission.The Japanese Experiment Module's Experiment Logistics Module-Exposed Section, or ELM-ES, is part of the payload on the STS-127 mission, targeted for launch in June. Photo credit: NASA/Tim Jacobs

CAPE CANAVERAL, Fla. – At NASA's Kennedy Space Center in Florida, external fuel tank ET-131 moves into the transfer aisle of the Vehicle Assembly Building. The tank, which will be used on the STS-127 mission, will be lifted into a high bay for checkout. The Japanese Experiment Module's Experiment Logistics Module-Exposed Section, or ELM-ES, is part of the payload on the STS-127 mission, targeted for launch in June. Photo credit: NASA/Tim Jacobs

CAPE CANAVERAL, Fla. – At NASA's Kennedy Space Center in Florida, the Pegasus barge arrives in the turn basin to deliver its cargo of the external fuel tank ET-131. The tank will be taken off and moved to the Vehicle Assembly Building. ET-131 will be used on space shuttle Endeavour's STS-127 mission. The Japanese Experiment Module's Experiment Logistics Module-Exposed Section, or ELM-ES, is part of the payload on the STS-127 mission, targeted for launch in June. Photo credit: NASA/Tim Jacobs