Photos: Atlas 5 rolls out for launch

Cameras mounted on United Launch Alliance’s Atlas 5 rocket show the fiery ride into space for NASA’s Mars 2020 Perseverance rover after taking off from Florida’s Space Coast.

The backbone of the U.S. military’s global communications network, relied upon by soldiers, ships, jets, aerial drones and allied nations around the world, will receive a new satellite with unprecedented capacity following its launch Wednesday atop a Delta 4 rocket.

A SpaceX Dragon supply ship arrived at the International Space Station Saturday carrying a new docking mechanism, a spacesuit for future spacewalks, and a 3D bioprinter to test the feasibility of manufacturing human tissue in microgravity.