Atlas 5 launches NROL-61 as seen from the NASA Press Site

United Launch Alliance technicians were allowed to return to the Atlas 5 pad Tuesday as firefighters continued to wage air and ground campaigns against the wildfire burning at Vandenberg Air Force Base in California.

Watch a time-lapse video of the Atlas 5 rocket’s rollout at Cape Canaveral on Feb. 28, on the eve of liftoff with the GOES-S weather satellite.

United Launch Alliance and SpaceX beat out Northrop Grumman and Jeff Bezos’ Blue Origin for billions of dollars in U.S. military rocket contracts, and will share the load in launching the Pentagon’s highest-priority national security space missions through 2027, officials announced Friday.