Ever since the space shuttle retired in 2011, NASA has been paying Russia for rides to the International Space Station. They’d hoped that dependency would finally end in 2019. But with its new lineup of flights and launch dates released this week, the space agency acknowledged they’re not quite done needing Russia’s Soyuz rockets yet.

NASA will remain dependent on Russia for the next round of space station rotations. Thanks to delays in commercial launches by SpaceX and Boeing, which NASA