Snapshots from Atlas 5 launch

SpaceX completed Friday the last drop test of the Dragon crew capsule’s parachutes before the first launch of astronauts on the human-rated ship May 27, while technicians at Cape Canaveral have mated the spacecraft’s crew module with its unpressurized trunk section.

Go behind the scenes to see the labor it takes to deliver a satellite to its launch base, in this case NASA’s Tracking and Data Relay Satellite-M scheduled for launch Aug. 3 atop an Atlas 5 rocket.

The United Launch Alliance Atlas 5 rocket unleashed two million pounds of thrust at 7:19 p.m. PST (10:19 p.m. EST) on Dec. 12 to blast off from Vandenberg Air Force Base in California on the NROL-35 mission. See photos of the launch from the press viewing site.