Preparations for Orion’s flight test are progressing smoothly ahead of a scheduled 7:05 a.m. EST liftoff today. United Launch Alliance has begun fueling the Delta IV Heavy rocket with liquid hydrogen and liquid oxygen. Weather remains forecast to be 70 percent “go” at the time of liftoff. Today’s launch will take place from Space Launch Complex 37 at Cape Canaveral Air Force Station in Florida. The spacecraft will splashdown in the Pacific Ocean at the end of the flight.