**This launch has been delayed and a new launch date has not been set** A United Launch Alliance Atlas 5 rocket, designated AV-075, will launch a classified spacecraft payload for the U.S. National Reconnaissance Office. The rocket will fly in the 421 vehicle configuration with a four-meter fairing, two solid rocket boosters and a single-engine Centaur upper stage.
**Delayed from Aug. 31 and Sept. 25.**