Photos: Tuesday’s Atlas 5 rollout

This is the pre-launch news conference held Dec. 2 at NASA’s Kennedy Space Center for liftoff of the Orbital ATK commercial Cygnus cargo ship aboard a United Launch Alliance Atlas 5 rocket for the International Space Station.

At NASA’s Kennedy Space Center, workers have finished the pre-launch assembly and fueling of OSIRIS-REx for the asteroid sample return spacecraft for liftoff Sept. 8.

Air Force meteorologists are expecting good weather to launch the Delta 4 rocket with a military communications satellite when the sun goes down Friday evening at Cape Canaveral.