Powerful Delta IV Heavy rocket launches secret US spy satellite to orbit - Space.com

Powerful Delta IV Heavy rocket launches secret US spy satellite to orbit  Space.comLive coverage: Delta 4-Heavy rocket launches from Cape Canaveral  Spaceflight NowULA's Delta IV Heavy launches from Cape Canaveral  WESH 2 OrlandoYou can watch a US spy satellite launch on a giant Delta IV Heavy rocket tonight. Here's how.  Space.comUpdates: Watch ULA launch its three-core Delta IV Heavy rocket from Cape Canaveral  Florida TodayView Full Coverage o