Live coverage: Delta 4 countdown and launch journal

A commercial Cygnus freighter made a science-enabling delivery to the International Space Station today, bringing about 7,500 pounds of cargo to the outpost under NASA’s privatized logistics shipment program.

The fifth and final satellite for the U.S. Navy’s new mobile network to provide rugged smartphone communications to all branches of the military has arrived at the launch site for blastoff in May.

United Launch Alliance technicians raised the first stage of the company’s next Atlas 5 rocket onto a mobile launch platform at Cape Canaveral Thursday, kicking off the launch vehicle’s build-up for a mission scheduled for liftoff May 16 with the U.S. military’s hush-hush X-37B spaceplane.