**Launch date is only tentative and subject to change** A United Launch Alliance Atlas 5 rocket, designated AV-080, will launch Boeing’s first CST-100 Starliner spacecraft on an unpiloted Orbital Test Flight to the International Space Station. The capsule will dock with the space station, then return to Earth to landing in the Western United States after an orbital shakedown cruise ahead of a two-person Crew Test Flight. The rocket will fly in a vehicle configuration with two solid rocket boosters and a dual-engine Centaur upper stage.
**Delayed from Aug. 27, 2018. Delayed from January and April.**