CAPE CANAVERAL, Fla. – Trucks inside the United Launch Alliance Delta Mariner prepare to transport the Atlas V rocket and Centaur upper stage that will be used to launch NASA's Magnetospheric Multiscale mission. To learn about the MMS, go to http://go.nasa.gov/1GUbzxb. Photo credit: NASA/Ben Smegelsky

Trucks inside the United Launch Alliance Delta Mariner prepare to transport the Atlas V rocket and Centaur upper stage that will be used to launch NASA's Magnetospheric Multiscale mission.