Photos: Gantry retracted from Atlas 5

An Atlas 5 rocket carrying a classified national security satellite was rolled to the launch pad this morning for Thursday’s flight to bolster the U.S. intelligence-gathering space architecture.

A top secret cargo for the U.S. government’s spy satellite agency soared into orbit from Cape Canaveral at the tip of a United Launch Alliance Atlas 5 rocket Friday night, successfully debuting a new solid-fueled booster design that ULA says are cheaper and easier to handle than previous strap-on motors.

The U.S. Air Force’s fourth Advanced Extremely High Frequency spacecraft launched Wednesday from Cape Canaveral on top of a United Launch Alliance Atlas 5 rocket, expanding the reach of the military’s most secure, jam-resistant satellite communications network.