Huge Delta IV Heavy rocket launches US spy satellite to orbit

A new U.S. spy satellite launched into space Monday afternoon (April 26) on the mightiest rocket built by the United Launch Alliance (ULA): the massive Delta IV Heavy. The behemoth blasted off at 4:47 p.m. EST (2047 GMT) from Space Launch Complex 6 at Vandenberg Air Force Base in California, carrying the classified NROL-82 satellite into orbit for the National Reconnaissance Office (NRO). More

(Source: Space.com - Apr 27)