Photos: Gallery of Delta 2 launch

The Atlas 5 rocket emerges from the Vertical Integration Facility for rollout to Complex 41 at Cape Canaveral in preparation to launch the Orbital ATK Cygnus resupply ship to the International Space Station. Liftoff is set for Thursday at 5:55 p.m. EST.

An Indian rocket lifted off with two British-built Earth-imaging satellites at 1638 GMT (12:38 p.m. EDT) Sunday — one developed with the financial backing of the UK government to demonstrate radar reconnaissance technology, and another destined for use by a commercial imaging company in Asia.

A Chinese Long March 4C rocket launched Tuesday with a new polar-orbiting weather observatory named Fengyun 3D, replacing an aging satellite for the China Meteorological Administration.