Boeing’s Starliner spacecraft was hoisted on top of ULA’s Atlas 5 rocket May 4 at Cape Canaveral Space Force Station. Credit: United Launch Alliance
Running years late, Boeing’s Starliner crew capsule program is poised for a crucial unpiloted test flight to the International Space Station set for launch Thursday, a do-over of an abbreviated 2019 demo mission that has cost the aerospace contractor nearly $600 million.

