Twin RBSP Spacecraft Arrive at KSC

NASA's twin Radiation Belt Storm Probe spacecraft are shown here in their protective shipping containers as they are unloaded from a United States Air Force C-17 at Kennedy Space Center, Fla. on the morning of May 1, 2012. RBSP is scheduled to begin its mission of exploration of Earth's Van Allen Radiation Belts and the extremes of space weather after launch, scheduled for August 23, 2012. Credit: JHU/APL