The United Launch Alliance Delta II Heavy rocket propels NASA's twin Gravity Recovery and Interior Laboratory (GRAIL) spacecraft into the clouds over Space Launch Complex 17B on Cape Canaveral Air Force Station in Florida.
The United Launch Alliance Delta II Heavy rocket propels NASA’s twin Gravity Recovery and Interior Laboratory (GRAIL) spacecraft into the clouds over Space Launch Complex 17B on Cape Canaveral Air Force Station in Florida.
Image credit: NASA/Kenny Allen
Sept. 10, 2011