Flüssigsauerstoff
The external tank (ET-125) arrived at the Kennedy Space Center on 14 September 2007, after traveling by barge from the Michoud Assembly Facility in Louisiana. The external tank was then transferred to the Vehicle Assembly Building (VAB) to be inspected, and have the Liquid oxygen feedline bracket modified, before being mated to the solid rocket boosters on 17 October 2007.