LIFT OFF: Delta IV rocket launches from Cape Canaveral

A Delta IV rocket lit up the skies over Brevard County Thursday night. The Air Force sent a new GPS satellite into orbit. The launch was put on hold briefly during the launch window over a concern about solar radiation -- flares that could hinder communications. But those concerns were put to rest, and the rocket launched just before the window closed. The Delta IV rocket has been under review since a problem was detected on an October 2012 rocket launch, when an engine leak caused a lower than expected thrust. More

(Source: Bay News 9 - Feb 21)