Video: 4K video replay of SpaceX’s CRS-21 launch (members only)

A collection of pad photos from the United Launch Alliance Atlas 5 rocket flight to deploy the Orbital ATK Cygnus commercial cargo-delivery spacecraft for the International Space Station.

With U.S. military demand waning in coming years, United Launch Alliance has multiple openings in its Atlas 5 launch manifest in 2017 and 2018 available to commercial customers with as little as three months’ notice, according to company officials.

Watch a replay of the static fire test of a SpaceX Falcon 9 rocket Tuesday at Cape Canaveral’s Complex 40 launch pad. SpaceX is preparing to launch the rocket Dec. 4 on a space station resupply mission.