Watch live: Trump launches US Space Command

President Trump is set to participate in a ceremony on Thursday establishing the U.S. Space Command.

The Space Command is viewed as a step toward the Space Force military branch, which would need congressional approval. It will be responsible for planning and executing space operations and is expected to have 87 units at its launch.

Vice President Pence also is expected to be in attendance. 

The event is scheduled for 4 p.m.

Watch live in the video above.