 Their return to Earth has been indefinitely postponed, but officials insisting Friday the Boeing Starliner crew are not stranded in space. NASA official Steve Stitch says the Starliner capsule remains available in cases of an emergency at the International Space Station. Starliner remains available in cases of an emergency or a contingency on the space station where the crew would have to return very quickly back to Earth. NASA blaming several mechanical issues with Boeing Starliner. The capsule launched June 5th with a two-person crew on board.