A Delta 4-Heavy rocket, carrying a spy satellite for the U.S. government, is launched from Vandenberg Air Force Base Wednesday, Aug. 28, 2013. The rocket carried a satellite for the National Reconnaissance Office, which oversees the nation's constellation of intelligence-gathering satellites. (AP Photo/The Santa Maria Times, Daniel Dreifuss)

Photo by: Daniel Dreifuss

A Delta 4-Heavy rocket, carrying a spy satellite for the U.S. government, is launched from Vandenberg Air Force Base Wednesday, Aug. 28, 2013. The rocket carried a satellite for the National Reconnaissance Office, which oversees the nation's constellation of intelligence-gathering satellites. (AP Photo/The Santa Maria Times, Daniel Dreifuss)