Watch our interview with two International Space Station astronauts

NASA has ordered four additional launches to deliver cargo to the International Space Station in 2017 — three from SpaceX and one from Orbital ATK — to cover the research lab’s logistics needs until a new set of resupply contracts take effect.

Departing Expedition 49 Commander Anatoly Ivanishin hands over International Space Station command to NASA astronaut Shane Kimbrough.

A 78-foot-tall Minotaur 4 rocket is poised for liftoff Wednesday from Virginia’s Eastern Shore carrying four top secret payloads into orbit for the National Reconnaissance Office.