Q&A with Mark Sirangelo, leader of Sierra Nevada Space Systems

A Russian refueling and resupply freighter docked with the International Space Station on Saturday after a two-day pursuit with maneuvering propellants, food and provisions for the research lab’s crew.

A Progress supply ship completed a two-day trip to the International Space Station early Wednesday, successfully guided in by cosmonaut Sergey Ryzhikov using a remote control console inside the station after an automated rendezvous system ran into trouble moments before docking.

SpaceX ignited a reused Falcon 9 first stage booster at Cape Canaveral’s Complex 40 launch pad Wednesday ahead of a planned space station resupply launch Dec. 12, a major step in restoring the repaired facility to service after a catastrophic explosion interrupted operations there last year.