Video: Orion flight highlights

Weather forecasters will watch for isolated rain showers and gusty winds that could delay Thursday’s launch of a Delta 4-Heavy rocket carrying NASA’s Orion space capsule on its first flight into orbit.

Rolling toward a mid-May deployment of a clandestine spy satellite, United Launch Alliance’s triple-body Delta 4-Heavy rocket moved from its Cape Canaveral assembly building to pad 37B yesterday.

SpaceX plans two Falcon Heavy launches this year for the U.S. Space Force in July and October, and United Launch Alliance has four national security space missions on its 2021 schedule, according to a military spokesperson.