Workers guide an overhead crane as it lifts the Centaur upper stage at the Cape Canaveral Air Force Station, Fla., June 24, 2011. The Centaur is slated to launch NASA's Juno spacecraft on August 5.

Workers guide an overhead crane as it lifts the Centaur upper stage at the Cape Canaveral Air Force Station, Fla., June 24, 2011. The Centaur will go on top of the United Launch Alliance Atlas V slated to launch NASA's Juno spacecraft. Juno is scheduled to launch aboard an Atlas V from Cape Canaveral, Fla. Aug. 5.

For more information visit www.nasa.gov/juno.

View all Images