A Soyuz rocket is scheduled for liftoff Friday from the Vostochny Cosmodrome, Russia’s newest launch site, with 33 satellites from 12 countries on-board to collect weather data and test new space technology.

The enigmatic X-37B spaceplane, launched into low-Earth orbit on an experimental military mission in 2015, continues to circle the planet despite a flurry of landing rumors.

Watch the pre-flight news conference that introduces NASA’s OSIRIS-REx spacecraft scheduled to launch from Cape Canaveral atop a United Launch Alliance Atlas 5 rocket on Sept. 8. It will capture a sample of Asteroid Bennu for return to Earth.