The launch of Boeing’s Starliner spacecraft, scheduled to carry NASA astronauts Sunita Williams and Barry Wilmore to the International Space Station (ISS) was on Monday (local time) postponed after a valve glitch in the upper stage of the rocket set to propel it to space. Rocket company United Launch Alliance’s Tom Heter III the director overseeing the launch announced the decision to delay the launch about two hours before the expected lift off from the Cape Canaveral Space Force Station in Florida, United States.