Atlas V
Starliner

Launch Webcast

The live launch webcast begins Friday at 5:30 a.m. EST (1030 UTC)


Live updates

Atlas V to Launch Starliner

Rocket: Atlas V
Mission: Boeing’s CST-100 Starliner, Orbital Flight Test
Launch Date: Friday, Dec. 20, 2019
Launch Time: Targeted for 6:36 a.m. EST
Launch Location: Space Launch Complex-41, Cape Canaveral Air Force Station, Florida

Mission Information: A United Launch Alliance (ULA) Atlas V rocket will deliver the CST-100 Starliner spacecraft to a 98 nautical mile (nmi) sub-orbital trajectory on its Orbital Flight Test (OFT) to the International Space Station. After Starliner separation from Atlas V, Starliner engines will burn taking it the rest of the way to orbit and on to the International Space Station.

Launch Notes: The Starliner Orbital Flight Test will be the 81st launch of the Atlas V and will mark ULA's 136th mission.

Launch Updates: To keep up to speed with updates, dial the ULA launch hotline at 1-877-852-4321 or join the conversation at www.facebook.com/ulalaunch, twitter.com/ulalaunch and instagram.com/ulalaunch; hashtags #AtlasV #Starliner

Go Atlas! Go Centaur! Go Starliner!

 

Atlas V Starliner OFT

Atlas V

ULA’s Atlas V rocket is a workhorse for the U.S. military, intelligence community and scientific researchers. Developed as a modular vehicle, each Atlas V is tailored to the needs of its passenger by adding as many as five side-mounted solid rocket boosters for increased lift performance and a variety of available payload fairings in various diameters and lengths to protect satellites during atmospheric ascent. The high-energy Centaur upper stage, which has been used to send spacecraft to every planet in our solar system, is incorporated into Atlas V to deliver the payloads to their intended destinations.

ULA's will fly the Atlas V rocket with a kerosene-fueled common core booster, two solid rocket boosters and the hydrogen-fueled dual-engine Centaur upper stage.

 

A United Launch Alliance (ULA) Atlas V rocket will deliver Boeing’s CST-100 Starliner spacecraft to a 98-nautical mile (nmi) sub-orbital trajectory on its Orbital Flight Test (OFT) to the International Space Station (ISS).

Space Launch Complex 41

Space Launch Complex 41, the East Coast home of the Atlas V rocket at Cape Canaveral Air Force Station in Florida, employs a “clean pad” concept of operations to ready launch vehicles and payloads for ascent into space. The rocket elements are assembled atop a Mobile Launch Platform inside the Vertical Integration Facility (VIF) located adjacent to the launch pad. The platform and fully stacked Atlas V then travels by rail approximately 1,800 feet northward from the VIF to the pad for the final countdown, fueling and liftoff.

Complex 41 was constructed by the U.S. Air Force in the 1960s for the Titan rocket program. The site was rejuvenated in support of the Atlas V starting in the late 1990s.