Ars Technica reports United Launch Alliance’s last Delta IV Heavy rocket is set to lift off Thursday from Cape Canaveral Space Force Station, Florida, with a classified payload for the National Reconnaissance Office, the US government’s spy satellite agency. “Weather permitting, the Delta IV Heavy will light up its three hydrogen-fueled RS-68 engines at 1:40 pm EDT (17:40 UTC) Thursday, the opening of a four-hour launch window.”
Full Story (Ars Technica)
