United Launch Alliance teams ran through an 11-hour countdown Friday at Cape Canaveral to rehearse procedures before the first flight of a modified Atlas 5 rocket with Boeing’s Starliner crew capsule Dec. 20.
A replay of the United Launch Alliance Atlas 5 rocket launching the Navy’s Mobile User Objective System communications satellite No. 4 from Cape Canaveral, Florida.
The U.S. military’s mini space shuttle successfully returned to Earth today, touching down on Runway 15 at the Shuttle Landing Facility after spending 718 days in space.