Photos: Tuesday’s Atlas 5 rollout

This is a collection of images taken during the three previous flights of the U.S. Air Force’s X-37B Orbital Test Vehicle mini space shuttle.

A billion-dollar missile warning satellite built by Lockheed Martin for the U.S. Space Force arrived at Cape Canaveral earlier this month to kick off final preparations for launch May 17 aboard a United Launch Alliance Atlas 5 rocket.

Relive the steps to stack the United Launch Alliance Atlas 5 rocket at Cape Canaveral’s Vertical Integration Facility for the Orbital ATK Cygnus cargo freighter for the International Space Station.