Delta 4-Heavy's hush-hush payload found and identified

The clandestine cargo carried into polar orbit Thursday aboard the first California-launched Delta 4-Heavy rocket was a crucial replacement satellite for the nation's surveillance and security network, amateur sky-watchers say. The sophisticated imaging bird follows a long line of Keyhole-type spacecraft that provide ultra-high resolution imagery for the U.S. intelligence community, according to hobbyists who track orbiting satellites with remarkable precision. More

(Source: Space Flight Now - Jan 25)