Video: Soyuz MS-01 leaves the space station for landing

The Atlas 5 countdown leading up to Friday’s early morning liftoff from Cape Canaveral with Boeing’s Starliner crew capsule will be several hours longer than usual.

A Russian Progress resupply freighter docked with the International Space Station on Monday, delivering fuel, food and supplies to the orbiting research lab’s six-person crew.

As Orbital ATK engineers aim for the next launch of the company’s Antares rocket from Virginia this fall, early planning for missions to keep the International Space Station supplied through the early 2020s is already underway.