A Russian Progress resupply rocket had a failure and was lost. This is the fourth such resupply failure and the second Progress failure. The other two were Antares with the 50 year old Russian engine and Falcon 9 CRS-7. Progress launch to space station fails - SpaceNews.com List of Progress flights - Wikipedia Weirdly on the bright side, if you're going to have a failure, these resupply missions are the place to have them happen. No lives have been lost and the ISS has enough supplies to overcome these failures. It was a little touch and go in 2015 though when the failures were back to back though.