KSC-2013-1317

CAPE CANAVERAL, Fla. – Tim Dunn, NASA launch manager, center, monitors the countdown for the launch of the TDRS-K spacecraft on an Atlas V rocket. Omar Baez, assistant NASA launch manager, left, and Diana Calero, NASA mission manager, right, also participate in the countdown procedures before the liftoff. The launch teams for NASA and the United Launch Alliance work inside the Atlas Space Operations Center at Cape Canaveral Air Force Station, Fla., known as the ASOC. Photo credit: NASA_Kim Shiflett