A Russian Soyuz booster arrived at its launch pad on the Kazakh steppe Sunday, the last stop before liftoff Wednesday with a three-person crew bound for the International Space Station.

A Delta 2 rocket has lifted off from California’s Central Coast on Saturday with a NASA environmental satellite designed to improve flood and drought forecasts, map moisture in Earth’s soils, and track the planet’s water cycle.

With the performance hit on the Atlas 5 rocket’s most recent flight last month now isolated to a faulty valve, preparations to resume the manifest are underway as United Launch Alliance workers stack the next booster for blastoff this summer.