Atlas 5 launches Starliner on second uncrewed test flight

Boeing’s CST-100 Starliner spacecraft is on its way to the International Space Station on a critical, long-delayed uncrewed test flight of the commercial crew vehicle. An Atlas 5 N22 rocket lifted off from Space Launch Complex 41 at Cape Canaveral Space Force Station at 6:54 p.m. Eastern May 19. The Starliner spacecraft, formally designated Spacecraft 2 by Boeing, separated from the dual-engine Centaur upper stage 15 minutes after liftoff, performing a 40-second orbital insertion burn 16 minutes later to place the spacecraft into a stable orbit. More

(Source: SpaceNews - May 20)