Delta 4 rocket blasts off!

BY JUSTIN RAY
SPACEFLIGHT NOW
Posted: January 19, 2011

The United Launch Alliance Delta 4 rocket lifts off on a Defense Department mission to deploy a vital U.S. military communications satellite to support battlefield troops and unmanned aerial drones in the Middle East.

See our Mission Status Center for the latest news on the launch.

Photo credit: Justin Ray/Spaceflight Now