United Launch Alliance's Vulcan Centaur lifted off for the third time ever in an experimental launch to put navigation satellite in orbit

The United Launch Alliance 's Vulcan rocket will send the first U.S. national security mission to space on Tuesday night, sending satellites up. It's part of the United States Space Force (USSF)-106 mission. Liftoff will occur from Space Launch Complex-41 at Cape Canaveral Space Force Station on Florida's Space Coast.