A Delta IV rocket launched Thursday morning from Cape Canaveral Air Force Station.
[PHOTOS: Delta IV rocket launches into space]
The United Launch Alliance rocket lifted off from Launch Complex 37 at Cape Canaveral Air Force Station at 8:10 a.m.
The rocket is carrying an advanced U.S. Air Force Global Positioning System (GPS) spacecraft that will help guide American and allied military troops on missions around the world. A civilian signal also is in ubiquitous use around the globe.