Photos: Atlas 5 powers NRO payload into the night

Iran’s Revolutionary Guard Corps — a branch of the country’s armed forces — launched a small military spacecraft into orbit Wednesday, ending a string of rocket failures in the nascent Iranian satellite program.

Watch a replay of the static fire test of a SpaceX Falcon 9 rocket Tuesday at Cape Canaveral’s Complex 40 launch pad. SpaceX is preparing to launch the rocket Dec. 4 on a space station resupply mission.

The 200th Atlas-Centaur rocket, history some 52 years in the making, will blast off Tuesday from Cape Canaveral to deliver a U.S. Navy mobile communications satellite into orbit.