Video: Delta 4 lifts off

Watch a replay of the United Launch Alliance Delta 4 rocket launching from Vandenberg Air Force Base in California, hauling into orbit a new eye in the sky for the National Reconnaissance Office.

Northrop Grumman’s Antares rocket will deliver a Cygnus supply ship into orbit Saturday to begin a two-day pursuit of the International Space Station.

A United Launch Atlas 5 rocket is set to loft three military satellites for the U.S. Air Force on a mission codenamed AFSPC 11. This timeline shows the major mission events planned over a six-hour flight to a near-geostationary orbit.